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AdamSmithOrlik opened this issue Nov 12, 2024 · 0 comments
Open

Cannot import Timelike from einsteinpy.geodesic #666

AdamSmithOrlik opened this issue Nov 12, 2024 · 0 comments

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@AdamSmithOrlik
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Summary

🐞 I am going through the tutorial and I get an error when trying to import Timelike from einsteinpy.geodesic. I read this issue and tried installing the stable version einsteinpy-0.3.1, but the issue persists. Prior to this issue I also got a message:

ImportError: cannot import name 'GeodesicIntegrator' from 'einsteinpy.integrators'

related to the Timelike class.

I have built a clean conda environment with compatible versions of Python (>3.7<3.9) and I have also checked the source code to ensure Timelike and GeodesicIntegrator are in the scripts I'm importing from.

Current Traceback:

ImportError                               Traceback (most recent call last)
Cell In[54], [line 1](vscode-notebook-cell:?execution_count=54&line=1)
----> [1](vscode-notebook-cell:?execution_count=54&line=1) from einsteinpy.geodesic import Timelike

ImportError: cannot import name 'Timelike' from 'einsteinpy.geodesic' (/Users/adamsmith/opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/geodesic.py)

🖥 Conda info

 active environment : gr-env
  active env location : /Users/adamsmith/opt/anaconda3/envs/gr-env
          shell level : 1
     user config file : /Users/adamsmith/.condarc
populated config files : /Users/adamsmith/.condarc
        conda version : 23.3.1
  conda-build version : 3.21.8
       python version : 3.9.12.final.0
     virtual packages : __archspec=1=x86_64
                        __osx=10.16=0
                        __unix=0=0
     base environment : /Users/adamsmith/opt/anaconda3  (writable)
    conda av data dir : /Users/adamsmith/opt/anaconda3/etc/conda
conda av metadata url : None
         channel URLs : https://conda.anaconda.org/conda-forge/osx-64
                        https://conda.anaconda.org/conda-forge/noarch
                        https://repo.anaconda.com/pkgs/main/osx-64
                        https://repo.anaconda.com/pkgs/main/noarch
                        https://repo.anaconda.com/pkgs/r/osx-64
                        https://repo.anaconda.com/pkgs/r/noarch
        package cache : /Users/adamsmith/opt/anaconda3/pkgs
                        /Users/adamsmith/.conda/pkgs
     envs directories : /Users/adamsmith/opt/anaconda3/envs
                        /Users/adamsmith/.conda/envs
             platform : osx-64
           user-agent : conda/23.3.1 requests/2.27.1 CPython/3.9.12 Darwin/23.5.0 OSX/10.16
              UID:GID : 501:20
           netrc file : /Users/adamsmith/.netrc
         offline mode : False

# conda environments:
#
                       /Users/adamsmith/.julia/conda/3
base                     /Users/adamsmith/opt/anaconda3
gr-env                *  /Users/adamsmith/opt/anaconda3/envs/gr-env
jupyter_cpp              /Users/adamsmith/opt/anaconda3/envs/jupyter_cpp
physenv                  /Users/adamsmith/opt/anaconda3/envs/physenv
tf                       /Users/adamsmith/opt/anaconda3/envs/tf

sys.version: 3.9.12 (main, Apr  5 2022, 01:53:17) 
[C...
sys.prefix: /Users/adamsmith/opt/anaconda3
sys.executable: /Users/adamsmith/opt/anaconda3/bin/python
conda location: /Users/adamsmith/opt/anaconda3/lib/python3.9/site-packages/conda
conda-build: /Users/adamsmith/opt/anaconda3/bin/conda-build
conda-content-trust: /Users/adamsmith/opt/anaconda3/bin/conda-content-trust
conda-convert: /Users/adamsmith/opt/anaconda3/bin/conda-convert
conda-debug: /Users/adamsmith/opt/anaconda3/bin/conda-debug
conda-develop: /Users/adamsmith/opt/anaconda3/bin/conda-develop
conda-env: /Users/adamsmith/opt/anaconda3/bin/conda-env
conda-index: /Users/adamsmith/opt/anaconda3/bin/conda-index
conda-inspect: /Users/adamsmith/opt/anaconda3/bin/conda-inspect
conda-metapackage: /Users/adamsmith/opt/anaconda3/bin/conda-metapackage
conda-pack: /Users/adamsmith/opt/anaconda3/bin/conda-pack
conda-render: /Users/adamsmith/opt/anaconda3/bin/conda-render
conda-repo: /Users/adamsmith/opt/anaconda3/bin/conda-repo
conda-server: /Users/adamsmith/opt/anaconda3/bin/conda-server
conda-skeleton: /Users/adamsmith/opt/anaconda3/bin/conda-skeleton
conda-token: /Users/adamsmith/opt/anaconda3/bin/conda-token
conda-verify: /Users/adamsmith/opt/anaconda3/bin/conda-verify
user site dirs: 

CIO_TEST: <not set>
CONDA_DEFAULT_ENV: gr-env
CONDA_EXE: /Users/adamsmith/opt/anaconda3/bin/conda
CONDA_PREFIX: /Users/adamsmith/opt/anaconda3/envs/gr-env
CONDA_PROMPT_MODIFIER: (gr-env) 
CONDA_PYTHON_EXE: /Users/adamsmith/opt/anaconda3/bin/python
CONDA_ROOT: /Users/adamsmith/opt/anaconda3
CONDA_SHLVL: 1
CURL_CA_BUNDLE: <not set>
DYLD_LIBRARY_PATH: :/Users/adamsmith/desktop/root/build/lib
LD_LIBRARY_PATH: :/Users/adamsmith/desktop/root/build/lib
LD_PRELOAD: <not set>
PATH: /Users/adamsmith/opt/anaconda3/envs/gr-env/bin:/Users/adamsmith/opt/anaconda3/condabin:/opt/local/bin:/opt/local/sbin:/usr/local/bin:/System/Cryptexes/App/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/appleinternal/bin:/opt/X11/bin:/Library/Apple/usr/bin:/Library/TeX/texbin:/usr/local/share/dotnet:~/.dotnet/tools:/Library/Frameworks/Mono.framework/Versions/Current/Commands:/Users/adamsmith/desktop/root/build/bin:/Applications/Julia-1.7.app/Contents/Resources/julia/bin
REQUESTS_CA_BUNDLE: <not set>
SSL_CERT_FILE: <not set>

Details

pytest result

====================================================================== test session starts =======================================================================
platform darwin -- Python 3.8.20, pytest-8.3.3, pluggy-1.5.0
rootdir: /Users/adamsmith
collected 239 items                                                                                                                                              

../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_bodies.py .........................                                         [ 10%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_constant.py ...                                                             [ 11%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_coordinates/test_conversions.py ........                                    [ 15%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_coordinates/test_coord_transform.py ................                        [ 21%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_coordinates/test_velocity_transform.py ...........                          [ 26%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_examples.py ..                                                              [ 27%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_geodesics.py ....                                                           [ 28%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_hypersurface/test_schwarzschildembedding.py ....                            [ 30%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_ijit/test_ijit_without_numba.py .                                           [ 30%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_integrators/test_runge_kutta.py .                                           [ 31%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_metric/test_kerr.py .......                                                 [ 34%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_metric/test_kerrnewman.py .....                                             [ 36%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_metric/test_schwarzschild.py .........                                      [ 40%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_plotting/test_fractal.py FF                                                 [ 41%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_plotting/test_geodesics/test_interactive.py .....                           [ 43%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_plotting/test_geodesics/test_static.py ........                             [ 46%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_plotting/test_hypersurface.py ..                                            [ 47%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_plotting/test_rays/test_shadow.py ..                                        [ 48%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_christoffel.py ......                                         [ 50%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_constants.py ..                                               [ 51%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_einstein.py .....                                             [ 53%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_helpers.py .x.......                                          [ 57%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_metric.py .......                                             [ 60%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_predefined/test_all.py ........................               [ 70%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_predefined/test_find.py ..                                    [ 71%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_ricci.py .......                                              [ 74%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_riemann.py ....                                               [ 75%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_schouten.py ....                                              [ 77%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_stress_energy_momentum.py ...                                 [ 78%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_tensor.py ........xxxxx...x....F                              [ 87%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_vector.py .x..                                                [ 89%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_weyl.py ......                                                [ 92%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_utils/test_kerr_utils.py ........                                           [ 95%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_utils/test_kerrnewman_utils.py ..........                                   [ 99%]
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_utils/test_schwarzschild_utils.py .                                         [100%]

============================================================================ FAILURES ============================================================================
___________________________________________________________________ test_fractal_shows_figure ____________________________________________________________________

mock_stdout = <_io.StringIO object at 0x140245550>, mock_show = <MagicMock name='show' id='5384122320'>

    @mock.patch.object(go.Figure, "show")
    @mock.patch("sys.stdout", new_callable=StringIO)
    def test_fractal_shows_figure(mock_stdout, mock_show):
>       fig = fractal(divs=2, show=True)

../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_plotting/test_fractal.py:12: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/plotting/fractal.py:75: in fractal
    go.Heatmap(z=_fractal_img(angle=step, dims=(400, 400)), showscale=False)
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/plotting/fractal.py:40: in _fractal_img
    _julia(A, c, zabs_max, i, j, dims, x_range, y_range, iter_max)
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/numba/core/dispatcher.py:468: in _compile_for_args
    error_rewrite(e, 'typing')
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

e = TypingError('Failed in nopython mode pipeline (step: nopython frontend)\nInternal error at resolving type of attribute...e elided>\n    it = 0\n    z = np.complex((i / width) * xwidth + xmin + 1j * ((j / height) * ywidth + ymin))\n    ^\n')
issue_type = 'typing'

    def error_rewrite(e, issue_type):
        """
        Rewrite and raise Exception `e` with help supplied based on the
        specified issue_type.
        """
        if config.SHOW_HELP:
            help_msg = errors.error_extras[issue_type]
            e.patch_message('\n'.join((str(e).rstrip(), help_msg)))
        if config.FULL_TRACEBACKS:
            raise e
        else:
>           raise e.with_traceback(None)
E           numba.core.errors.TypingError: Failed in nopython mode pipeline (step: nopython frontend)
E           Internal error at resolving type of attribute "complex" of "$48load_global.19".
E           module 'numpy' has no attribute 'complex'.
E           `np.complex` was a deprecated alias for the builtin `complex`. To avoid this error in existing code, use `complex` by itself. Doing this will not modify any behavior and is safe. If you specifically wanted the numpy scalar type, use `np.complex128` here.
E           The aliases was originally deprecated in NumPy 1.20; for more details and guidance see the original release note at:
E               https://numpy.org/devdocs/release/1.20.0-notes.html#deprecations
E           During: typing of get attribute at /Users/adamsmith/opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/plotting/fractal.py (20)
E           Enable logging at debug level for details.
E           
E           File "../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/plotting/fractal.py", line 20:
E           def _julia(A, c, zabs_max, i, j, dims, x_range, y_range, iter_max):
E               <source elided>
E               it = 0
E               z = np.complex((i / width) * xwidth + xmin + 1j * ((j / height) * ywidth + ymin))
E               ^

../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/numba/core/dispatcher.py:409: TypingError
___________________________________________________________________ test_fractal_draws_figure ____________________________________________________________________

    def test_fractal_draws_figure():
>       fig = fractal(divs=2, show=False)

../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_plotting/test_fractal.py:18: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/plotting/fractal.py:75: in fractal
    go.Heatmap(z=_fractal_img(angle=step, dims=(400, 400)), showscale=False)
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/plotting/fractal.py:40: in _fractal_img
    _julia(A, c, zabs_max, i, j, dims, x_range, y_range, iter_max)
../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/numba/core/dispatcher.py:468: in _compile_for_args
    error_rewrite(e, 'typing')
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

e = TypingError('Failed in nopython mode pipeline (step: nopython frontend)\nInternal error at resolving type of attribute...e elided>\n    it = 0\n    z = np.complex((i / width) * xwidth + xmin + 1j * ((j / height) * ywidth + ymin))\n    ^\n')
issue_type = 'typing'

    def error_rewrite(e, issue_type):
        """
        Rewrite and raise Exception `e` with help supplied based on the
        specified issue_type.
        """
        if config.SHOW_HELP:
            help_msg = errors.error_extras[issue_type]
            e.patch_message('\n'.join((str(e).rstrip(), help_msg)))
        if config.FULL_TRACEBACKS:
            raise e
        else:
>           raise e.with_traceback(None)
E           numba.core.errors.TypingError: Failed in nopython mode pipeline (step: nopython frontend)
E           Internal error at resolving type of attribute "complex" of "$48load_global.19".
E           module 'numpy' has no attribute 'complex'.
E           `np.complex` was a deprecated alias for the builtin `complex`. To avoid this error in existing code, use `complex` by itself. Doing this will not modify any behavior and is safe. If you specifically wanted the numpy scalar type, use `np.complex128` here.
E           The aliases was originally deprecated in NumPy 1.20; for more details and guidance see the original release note at:
E               https://numpy.org/devdocs/release/1.20.0-notes.html#deprecations
E           During: typing of get attribute at /Users/adamsmith/opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/plotting/fractal.py (20)
E           Enable logging at debug level for details.
E           
E           File "../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/plotting/fractal.py", line 20:
E           def _julia(A, c, zabs_max, i, j, dims, x_range, y_range, iter_max):
E               <source elided>
E               it = 0
E               z = np.complex((i / width) * xwidth + xmin + 1j * ((j / height) * ywidth + ymin))
E               ^

../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/numba/core/dispatcher.py:409: TypingError
____________________________________________________________________ test_lambdify_with_args _____________________________________________________________________

    def test_lambdify_with_args():
        x, y = symbols("x y")
        T = BaseRelativityTensor([x + y, x], (x, y), config="l")
        args, f = T.tensor_lambdify(y, x)
>       arr = np.array(f(2, 1))

../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_tensor.py:251: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

y = 2, x = 1

    def _lambdifygenerated(y, x):
>       return numpy.array((x + y, x))
E       NameError: name 'numpy' is not defined

<lambdifygenerated-2>:2: NameError
======================================================================== warnings summary ========================================================================
opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_plotting/test_fractal.py::test_fractal_shows_figure
  /Users/adamsmith/opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/plotting/fractal.py:20: NumbaPendingDeprecationWarning:
  
  Code using Numba extension API maybe depending on 'old_style' error-capturing, which is deprecated and will be replaced by 'new_style' in a future release. See details at https://numba.readthedocs.io/en/latest/reference/deprecation.html#deprecation-of-old-style-numba-captured-errors
  Exception origin:
    File "/Users/adamsmith/opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/numpy/__init__.py", line 305, in __getattr__
      raise AttributeError(__former_attrs__[attr])

opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_christoffel.py::test_properties
  /Users/adamsmith/opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/_pytest/python.py:163: PytestReturnNotNoneWarning:
  
  Expected None, but opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_christoffel.py::test_properties returned True, which will be an error in a future version of pytest.  Did you mean to use `assert` instead of `return`?

opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_schouten.py::test_SchoutenTensor_with_arbritary_config
  /Users/adamsmith/opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/_pytest/python.py:163: PytestReturnNotNoneWarning:
  
  Expected None, but opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_schouten.py::test_SchoutenTensor_with_arbritary_config returned True, which will be an error in a future version of pytest.  Did you mean to use `assert` instead of `return`?

-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
==================================================================== short test summary info =====================================================================
FAILED ../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_plotting/test_fractal.py::test_fractal_shows_figure - numba.core.errors.TypingError: Failed in nopython mode pipeline (step: nopython frontend)
FAILED ../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_plotting/test_fractal.py::test_fractal_draws_figure - numba.core.errors.TypingError: Failed in nopython mode pipeline (step: nopython frontend)
FAILED ../opt/anaconda3/envs/gr-env/lib/python3.8/site-packages/einsteinpy/tests/test_symbolic/test_tensor.py::test_lambdify_with_args - NameError: name 'numpy' is not defined
================================================ 3 failed, 228 passed, 8 xfailed, 3 warnings in 214.44s (0:03:34) ================================================
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