[str_and_dict] wrap matplotlib docstring import in try/except

Sticking to this until matplotlib fully deprecates, since
they use this internally

mdciao/utils/str_and_dict.py

@@ -24,7 +24,10 @@
 from natsort import natsorted as _natsorted
 from inspect import signature as _signature
 import docstring_parser as _dsp
-from matplotlib import docstring as _mpldocstring
+try:
+    from matplotlib import docstring as _mpldocstring
+except ImportError:
+    from matplotlib import _docstring as _mpldocstring
 from textwrap import wrap as _twrap