MAINT: add type ignores to sympy and matplotlib imports

mypy.ini

@@ -14,18 +14,9 @@ ignore_missing_imports = True
 # Third party dependencies that don't have types.
 #
 
-[mypy-matplotlib.*]
-ignore_missing_imports = True
-
 [mypy-pytest]
 ignore_missing_imports = True
 
-[mypy-sympy]
-ignore_missing_imports = True
-
-[mypy-sympy.*]
-ignore_missing_imports = True
-
 [mypy-sksparse]
 ignore_missing_imports = True
 

scipy/cluster/tests/test_hierarchy.py

@@ -54,11 +54,11 @@
 # Matplotlib is not a scipy dependency but is optionally used in dendrogram, so
 # check if it's available
 try:
-    import matplotlib
+    import matplotlib  # type: ignore[import]
     # and set the backend to be Agg (no gui)
     matplotlib.use('Agg')
     # before importing pyplot
-    import matplotlib.pyplot as plt
+    import matplotlib.pyplot as plt  # type: ignore[import]
     have_matplotlib = True
 except Exception:
     have_matplotlib = False
@@ -1055,4 +1055,3 @@ def test_Heap():
     pair = heap.get_min()
     assert_equal(pair['key'], 1)
     assert_equal(pair['value'], 10)
-

scipy/interpolate/interpnd_info.py

@@ -3,7 +3,7 @@
 interpolation routines in `interpnd.pyx`.
 
 """
-from sympy import symbols, binomial, Matrix
+from sympy import symbols, binomial, Matrix  # type: ignore[import]
 
 
 def _estimate_gradients_2d_global():

scipy/optimize/_shgo_lib/triangulation.py

@@ -369,7 +369,7 @@ def plot_complex(self):
 
              To plot a single simplex S in a set C, use e.g., [C[0]]
         """
-        from matplotlib import pyplot
+        from matplotlib import pyplot  # type: ignore[import]
         if self.dim == 2:
             pyplot.figure()
             for C in self.H:

scipy/spatial/_plotutils.py

@@ -6,7 +6,7 @@
 
 @_decorator
 def _held_figure(func, obj, ax=None, **kw):
-    import matplotlib.pyplot as plt
+    import matplotlib.pyplot as plt  # type: ignore[import]
 
     if ax is None:
         fig = plt.figure()
@@ -131,7 +131,7 @@ def convex_hull_plot_2d(hull, ax=None):
     >>> plt.show()
 
     """
-    from matplotlib.collections import LineCollection
+    from matplotlib.collections import LineCollection  # type: ignore[import]
 
     if hull.points.shape[1] != 2:
         raise ValueError("Convex hull is not 2-D")

scipy/special/_precompute/expn_asy.py

@@ -15,7 +15,7 @@
     # https://github.com/sympy/sympy/issues/11255
     with suppress_warnings() as sup:
         sup.filter(DeprecationWarning, "inspect.getargspec.. is deprecated")
-        import sympy
+        import sympy  # type: ignore[import]
         from sympy import Poly
         x = sympy.symbols('x')
 except ImportError:

scipy/special/_precompute/lambertw.py

@@ -7,7 +7,7 @@
 
 try:
     import mpmath  # type: ignore[import]
-    import matplotlib.pyplot as plt
+    import matplotlib.pyplot as plt  # type: ignore[import]
 except ImportError:
     pass
 

scipy/special/_precompute/struve_convergence.py

@@ -32,7 +32,7 @@
 
 """
 import numpy as np
-import matplotlib.pyplot as plt
+import matplotlib.pyplot as plt  # type: ignore[import]
 
 import mpmath  # type: ignore[import]
 

scipy/special/_precompute/utils.py

@@ -10,7 +10,7 @@
     # https://github.com/sympy/sympy/issues/11255
     with suppress_warnings() as sup:
         sup.filter(DeprecationWarning, "inspect.getargspec.. is deprecated")
-        from sympy.abc import x
+        from sympy.abc import x  # type: ignore[import]
 except ImportError:
     pass
 

scipy/special/tests/test_precompute_expn_asy.py

@@ -4,7 +4,7 @@
 from scipy.special._precompute.expn_asy import generate_A
 
 try:
-    import sympy
+    import sympy  # type: ignore[import]
     from sympy import Poly
 except ImportError:
     sympy = MissingModule("sympy")

scipy/special/tests/test_precompute_gammainc.py

@@ -9,7 +9,7 @@
 from scipy.special._precompute.gammainc_data import gammainc, gammaincc
 
 try:
-    import sympy
+    import sympy  # type: ignore[import]
 except ImportError:
     sympy = MissingModule('sympy')
 

scipy/special/tests/test_precompute_utils.py

@@ -5,7 +5,7 @@
 from scipy.special._precompute.utils import lagrange_inversion
 
 try:
-    import sympy
+    import sympy  # type: ignore[import]
 except ImportError:
     sympy = MissingModule('sympy')
 

scipy/stats/tests/test_morestats.py

@@ -18,9 +18,9 @@
 # Matplotlib is not a scipy dependency but is optionally used in probplot, so
 # check if it's available
 try:
-    import matplotlib
+    import matplotlib  # type: ignore[import]
     matplotlib.rcParams['backend'] = 'Agg'
-    import matplotlib.pyplot as plt
+    import matplotlib.pyplot as plt  # type: ignore[import]
     have_matplotlib = True
 except Exception:
     have_matplotlib = False