Merge pull request #381 from mattsta/improve/filename-as-Path

`pathlib.Path` / `os.PathLike` update and doc addition

Author: DanielGoldfarb

examples/.gitignore

@@ -0,0 +1,2 @@
+*.png
+*.jpg

examples/savefig.ipynb

@@ -1,5 +1,5 @@
 
-version_info = (0, 12, 7, 'alpha', 13)
+version_info = (0, 12, 7, 'alpha', 14)
 
 _specifier_ = {'alpha': 'a','beta': 'b','candidate': 'rc','final': ''}
 

src/mplfinance/_version.py

@@ -7,8 +7,8 @@
 import numpy  as np
 import copy
 import io
+import os
 import math
-import pathlib
 import warnings
 import statistics as stat
 
@@ -169,7 +169,7 @@ def _valid_plot_kwargs():
                                         'Validator'   : lambda value: isinstance(value,dict) or (isinstance(value,list) and all([isinstance(d,dict) for d in value])) },
 
         'savefig'                   : { 'Default'     : None, 
-                                        'Validator'   : lambda value: isinstance(value,dict) or isinstance(value,str) or isinstance(value, io.BytesIO) or isinstance(value, pathlib.Path) },
+                                        'Validator'   : lambda value: isinstance(value,dict) or isinstance(value,str) or isinstance(value, io.BytesIO) or isinstance(value, os.PathLike) },
 
         'block'                     : { 'Default'     : None, 
                                         'Validator'   : lambda value: isinstance(value,bool) },