Remove deps on the matplotlib

diofant/external/importtools.py

@@ -10,7 +10,7 @@ def import_module(module, min_module_version=None, min_python_version=None,
                   warn_not_installed=False, warn_old_version=True,
                   module_version_attr='__version__',
                   module_version_attr_call_args=None,
-                  import__kwargs={}, catch=()):
+                  import__kwargs={}):
     """
     Import and return a module if it is installed.
 
@@ -46,9 +46,7 @@ def import_module(module, min_module_version=None, min_python_version=None,
     example, to import a submodule A.B, you must pass a nonempty fromlist option
     to __import__.
 
-    This catches ImportError to determine if the module is not installed.  To
-    catch additional errors, pass them as a tuple to the catch keyword
-    argument.
+    This catches ImportError to determine if the module is not installed.
 
     Examples
     ========
@@ -73,15 +71,9 @@ def import_module(module, min_module_version=None, min_python_version=None,
     To import a submodule, you must pass a nonempty fromlist to
     __import__().  The values do not matter.
 
-    >>> p3 = import_module('mpl_toolkits.mplot3d',
+    >>> p3 = import_module('scipy.optimize',
     ...                    import__kwargs={'fromlist': ['something']})
 
-    matplotlib.pyplot can raise RuntimeError when the display cannot be opened
-
-    >>> matplotlib = import_module('matplotlib',
-    ...                            import__kwargs={'fromlist': ['pyplot']},
-    ...                            catch=(RuntimeError,))
-
     See Also
     ========
 

diofant/tests/external/test_importtools.py

@@ -1,5 +1,3 @@
-import collections
-
 import pytest
 
 from diofant.core.compatibility import HAS_GMPY
@@ -8,32 +6,6 @@
 
 __all__ = ()
 
-# fixes issue that arose in addressing issue sympy/sympy#6533
-
-
-def test_no_stdlib_collections():
-    # Make sure we get the right collections when it is not part of a
-    # larger list.
-
-    matplotlib = import_module('matplotlib',
-                               import__kwargs={'fromlist': ['cm', 'collections']},
-                               min_module_version='1.1.0', catch=(RuntimeError,))
-    if matplotlib:
-        assert collections != matplotlib.collections
-
-    matplotlib = import_module('matplotlib',
-                               import__kwargs={'fromlist': ['collections']},
-                               min_module_version='1.1.0', catch=(RuntimeError,))
-    if matplotlib:
-        assert collections != matplotlib.collections
-
-    # Make sure we get the right collections with no catch.
-    matplotlib = import_module('matplotlib',
-                               import__kwargs={'fromlist': ['cm', 'collections']},
-                               min_module_version='1.1.0')
-    if matplotlib:
-        assert collections != matplotlib.collections
-
 
 def test_interface():
     with pytest.warns(UserWarning) as warn:

pyproject.toml

@@ -42,7 +42,7 @@ gmpy = ['gmpy2>=2.1.0']
 interactive = ['ipykernel']
 docs = ['sphinx>=4', 'sphinxcontrib-bibtex>=2.1', 'sphinxcontrib-autoprogram',
         'sphinx-rtd-theme>=1']
-tests = ['pytest>=6', 'hypothesis', 'pytest-timeout', 'pexpect', 'matplotlib']
+tests = ['pytest>=6', 'hypothesis', 'pytest-timeout', 'pexpect']
 develop = ['diofant[tests]', 'flake518>=1.5', 'flake8-docstrings>=1.3',
             'pep8-naming', 'flake8-comprehensions', 'flake8-isort>=4.1',
             'flake8-quotes>=3', 'flake8-sfs', 'pytest-xdist>=1.22',