For some reason when using Times New Roman in my mpl plots it appears bold. Other fonts are OK.
mpl
Here is a minimal example, and the result (inside a Word doc
I know the question is very old, but it still is a problem, at least for me on my mac. I found a very easy solution to this problem, posted by azag0 on github
del matplotlib.font_manager.weight_dict['roman'] matplotlib.font_manager._rebuild()
https://github.com/matplotlib/matplotlib/issues/5574