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Commit afb7dce

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anntzeranntzer
committed
Suppress exception chaining on rc validator failure.
This changes the traceback from Traceback (most recent call last): File ".../matplotlib/__init__.py", line 768, in __setitem__ cval = self.validate[key](val) File ".../matplotlib/rcsetup.py", line 67, in __call__ raise ValueError('Unrecognized %s string %r: valid strings are %s' ValueError: Unrecognized capstyle string 'foobar': valid strings are ['butt', 'round', 'projecting'] During handling of the above exception, another exception occurred: Traceback (most recent call last): File "<string>", line 4, in <module> File ".../matplotlib/__init__.py", line 770, in __setitem__ raise ValueError("Key %s: %s" % (key, str(ve))) ValueError: Key lines.solid_capstyle: Unrecognized capstyle string 'foobar': valid strings are ['butt', 'round', 'projecting'] to Traceback (most recent call last): File "<string>", line 4, in <module> File ".../matplotlib/__init__.py", line 770, in __setitem__ raise ValueError(f"Key {key}: {ve}") from None ValueError: Key lines.solid_capstyle: Unrecognized capstyle string 'foobar': valid strings are ['butt', 'round', 'projecting']
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‎lib/matplotlib/__init__.py

Copy file name to clipboardExpand all lines: lib/matplotlib/__init__.py
+1-1Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -767,7 +767,7 @@ def __setitem__(self, key, val):
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try:
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cval = self.validate[key](val)
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except ValueError as ve:
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raise ValueError("Key %s: %s" % (key, str(ve)))
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raise ValueError(f"Key {key}: {ve}") from None
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dict.__setitem__(self, key, cval)
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except KeyError:
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raise KeyError(

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