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Improve error for quoted values in matplotlibrc. #16960

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Merged
merged 1 commit into from
Mar 30, 2020

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anntzer
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@anntzer anntzer commented Mar 30, 2020

... as the need for unquoted values in the matplotlibrc is slightly
confusing.

Also reword the error message to match the one in
_check_in_list/_check_getitem.

Closes #16952.

PR Summary

PR Checklist

  • Has Pytest style unit tests
  • Code is Flake 8 compliant
  • New features are documented, with examples if plot related
  • Documentation is sphinx and numpydoc compliant
  • Added an entry to doc/users/next_whats_new/ if major new feature (follow instructions in README.rst there)
  • Documented in doc/api/api_changes.rst if API changed in a backward-incompatible way

@anntzer anntzer added this to the v3.3.0 milestone Mar 30, 2020
if ((s.startswith('"') and s.endswith('"')
or s.startswith("'") and s.endswith("'"))
and s[1:-1] in self.valid):
msg += f"; remove quotes surrounding your string"
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Suggested change
msg += f"; remove quotes surrounding your string"
msg += "; remove quotes surrounding your string"

unneeded.

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yup

... as the need for unquoted values in the matplotlibrc is slightly
confusing.

Also reword the error message to match the one in
_check_in_list/_check_getitem.
@tacaswell tacaswell merged commit bcc2852 into matplotlib:master Mar 30, 2020
@anntzer anntzer deleted the unquoted-rc branch March 30, 2020 18:58
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How to solve an error of "ValueError: Key backend: Unrecognized backend string '"agg"'
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