We have no matplotlib packaged yet.

--- pyparsing-3.2.0/tox.ini.orig
+++ pyparsing-3.2.0/tox.ini
@@ -7,7 +7,6 @@
 [testenv]
 deps=
     pytest
-    matplotlib; implementation_name != 'pypy'
 extras=diagrams
 commands=
     pytest tests {posargs}
--- pyparsing-3.2.0/tests/test_matplotlib_cases.py.orig
+++ pyparsing-3.2.0/tests/test_matplotlib_cases.py
@@ -6,10 +6,7 @@
 
 import pytest
 
-if platform.python_implementation() == "PyPy":
-    mpl_mathtext = None
-else:
-    import matplotlib.mathtext as mpl_mathtext
+mpl_mathtext = None
 
 # fmt: off
 @pytest.mark.parametrize(