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Description
Bug report
Bug summary
I am unable to import matplotlib.pyplot starting in version 3.0.0. Might be related to Issue #9485?
Code for reproduction
import matplotlib.pyplot as pltActual outcome
I get the following traceback when executing the above import
Traceback (most recent call last):
File "C:\Python\Python35\lib\site-packages\matplotlib\font_manager.py", line 1353, in <module>
fontManager = json_load(_fmcache)
File "C:\Python\Python35\lib\site-packages\matplotlib\font_manager.py", line 888, in json_load
with open(filename, 'r') as fh:
FileNotFoundError: [Errno 2] No such file or directory: 'C:\\Users\\username\\.matplotlib\\fontlist-v300.json'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "<pyshell#0>", line 1, in <module>
import matplotlib.pyplot as plt
File "C:\Python\Python35\lib\site-packages\matplotlib\pyplot.py", line 32, in <module>
import matplotlib.colorbar
File "C:\Python\Python35\lib\site-packages\matplotlib\colorbar.py", line 32, in <module>
import matplotlib.contour as contour
File "C:\Python\Python35\lib\site-packages\matplotlib\contour.py", line 18, in <module>
import matplotlib.font_manager as font_manager
File "C:\Python\Python35\lib\site-packages\matplotlib\font_manager.py", line 1363, in <module>
_rebuild()
File "C:\Python\Python35\lib\site-packages\matplotlib\font_manager.py", line 1344, in _rebuild
fontManager = FontManager()
File "C:\Python\Python35\lib\site-packages\matplotlib\font_manager.py", line 978, in __init__
ttffiles = findSystemFonts(paths) + findSystemFonts()
File "C:\Python\Python35\lib\site-packages\matplotlib\font_manager.py", line 264, in findSystemFonts
fontfiles.update(win32InstalledFonts(fontext=fontext))
TypeError: 'NoneType' object is not iterable
Matplotlib version
- Operating system: Windows 10 64-bit
- Matplotlib version: 3.0.0
- Matplotlib backend: TkAgg
- Python version: 3.5.4
- Jupyter version (if applicable): NA
- Other libraries: NA
Installed via pip
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