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Detect when f-strings don't use any interpolation variables #3190

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PCManticore opened this issue Oct 15, 2019 · 0 comments
Closed

Detect when f-strings don't use any interpolation variables #3190

PCManticore opened this issue Oct 15, 2019 · 0 comments
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@PCManticore
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Is your feature request related to a problem? Please describe

There is no error if a string is marked as an f-string but does not use any interpolation. e.g. f"some message" is superfluously marked as an f-string since it does not have any interpolated variables.

Describe the solution you'd like

We should emit a warning when we encounter f-strings without interpolation variables.

Additional context

Slightly related to #2507.
@PCManticore PCManticore added the Good first issue Friendly and approachable by new contributors label Oct 15, 2019
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@PCManticore