Bug fix while ordering optional keys from schema in static method from_records from pandera df

[manel-ab]

I saw a bug on from_records static method from pandera DataFrame when trying to sort columns that may be not required in the schema but are trying to be sorted:

from typing import Optional
from pandera import Field, SchemaModel
from pandera.typing import Series, DataFrame
class Schema(SchemaModel):
    state: Series[str]
    city: Series[str]
    price: Series[float]
    postal_code: Optional[Series[int]] = Field(nullable=True)

raw_data = [
    {
        "state": "NY",
        "city": "New York",
        "price": 8.0,
    },
    {
        "state": "FL",
        "city": "Miami",
        "price": 12.0,
    },
]
DataFrame.from_records(Schema, raw_data)

and raises the following error: KeyError: "['postal_code'] not in index".
Also, as is currently implemented, the keys may not be sorted as schema says.

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (deaddfb) 97.25% compared to head (904a2dd) 97.25%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1238   +/-   ##
=======================================
  Coverage   97.25%   97.25%           
=======================================
  Files          65       65           
  Lines        5101     5107    +6     
=======================================
+ Hits         4961     4967    +6     
  Misses        140      140           

Impacted Files	Coverage Δ
pandera/typing/pandas.py	95.50% <100.00%> (+0.05%)	⬆️

... and 1 file with indirect coverage changes

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[cosmicBboy]

thanks @manel-ab !