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**Describe the bug**
When validating a `pandas` dataframe schema that requires a `MultiIndex` with unique indexes (columns), I would expect `pandera.errors.SchemaError: ... not unique` exception to…
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### Discussed in https://github.com/unionai-oss/pandera/discussions/907
Originally posted by **davidandreoletti** August 8, 2022
Assuming a pedantic like class declaration with:
```
class…
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**Describe the bug**
When trying to use the str_length function in pa.Field to validate the length of a string, we get a NotImplementedError every time. I tried passing arguments in different ways,…
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As mentioned in #41, we can get rid of the DeprecationWarnings for Python 3.12 by updating dateutil and pandera. Both seem to already include the necessary fixes on their main branches, but need to pu…
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### Is your feature request related to a problem? Please describe.
The current Pandera validation error messages differ in structure from Pydantic, which makes it challenging for users, especially th…
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I'm finding that schema validation is intermittently passing in cases where I would expect it to fail. This only seems to occur when I construct the dataframe directly as a `pandera.DataFrame`. Weirdl…
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**Describe the bug**
When `add_missing_columns` is set to True in `DataFrameModel`, the same missing_columns can sometimes be added multiple times.
The specific conditions under which this occurs …
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**Describe the bug**
Cannot use numpy dtypes, or numpy data type objects, in pandera `Columns` while defining a DataFrameSchema
- [x] I have checked that this issue has not already been reported.
…
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#### Documentation problem
The current documentation demonstrates `pandera` usage by using the `pa.PandasDtype` enum, which can make things look a little unfamiliar to new-comers, especially since …
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**Describe the bug**
A clear and concise description of what the bug is.
- [ ] I have checked that this issue has not already been reported.
There are other issues related to str_length reported,…