from datetime import datetime, date

from sqlalchemy import Integer, UnicodeText, Float, BigInteger
from sqlalchemy import Boolean, Date, DateTime, Unicode
from sqlalchemy.types import TypeEngine


class Types(object):
    """A holder class for easy access to SQLAlchemy type names."""
    integer = Integer
    string = Unicode
    text = UnicodeText
    float = Float
    bigint = BigInteger
    boolean = Boolean
    date = Date
    datetime = DateTime

    def guess(cls, sample):
        """Given a single sample, guess the column type for the field.

        If the sample is an instance of an SQLAlchemy type, the type will be
        used instead.
        """
        if isinstance(sample, TypeEngine):
            return sample
        if isinstance(sample, bool):
            return cls.boolean
        elif isinstance(sample, int):
            return cls.bigint
        elif isinstance(sample, float):
            return cls.float
        elif isinstance(sample, datetime):
            return cls.datetime
        elif isinstance(sample, date):
            return cls.date
        return cls.text

from datetime import datetime, date

from sqlalchemy import Integer, UnicodeText, Float, BigInteger
from sqlalchemy import Boolean, Date, DateTime, Unicode
from sqlalchemy.types import TypeEngine


class Types(object):
    """A holder class for easy access to SQLAlchemy type names."""
    integer = Integer
    string = Unicode
    text = UnicodeText
    float = Float
    bigint = BigInteger
    boolean = Boolean
    date = Date
    datetime = DateTime

    def guess(self, sample):
        """Given a single sample, guess the column type for the field.

        If the sample is an instance of an SQLAlchemy type, the type will be
        used instead.
        """
        if isinstance(sample, TypeEngine):
            return sample
        if isinstance(sample, bool):
            return self.boolean
        elif isinstance(sample, int):
            return self.bigint
        elif isinstance(sample, float):
            return self.float
        elif isinstance(sample, datetime):
            return self.datetime
        elif isinstance(sample, date):
            return self.date
        return self.text

Replace `cls` argument with `self` Not sure if this was originally intended to be a `@classmethod` but it's now written and called as a method bound to an instance of the class.
Replace `cls` argument with `self`
Not sure if this was originally intended to be a `@classmethod` but it's now written and called as a method bound to an instance of the class.

  from datetime import datetime, date
  
  from sqlalchemy import Integer, UnicodeText, Float, BigInteger
  from sqlalchemy import Boolean, Date, DateTime, Unicode
  from sqlalchemy.types import TypeEngine
  
  
  class Types(object):
      """A holder class for easy access to SQLAlchemy type names."""
      integer = Integer
      string = Unicode
      text = UnicodeText
      float = Float
      bigint = BigInteger
      boolean = Boolean
      date = Date
      datetime = DateTime
  
-     def guess(cls, sample):
+     def guess(self, sample):
          """Given a single sample, guess the column type for the field.
  
          If the sample is an instance of an SQLAlchemy type, the type will be
          used instead.
          """
          if isinstance(sample, TypeEngine):
              return sample
          if isinstance(sample, bool):
-             return cls.boolean
+             return self.boolean
          elif isinstance(sample, int):
-             return cls.bigint
+             return self.bigint
          elif isinstance(sample, float):
-             return cls.float
+             return self.float
          elif isinstance(sample, datetime):
-             return cls.datetime
+             return self.datetime
          elif isinstance(sample, date):
-             return cls.date
+             return self.date
-         return cls.text
+         return self.text
  
Replace `cls` argument with `self` Not sure if this was originally intended to be a `@classmethod` but it's now written and called as a method bound to an instance of the class.
## Code Before:
from datetime import datetime, date

from sqlalchemy import Integer, UnicodeText, Float, BigInteger
from sqlalchemy import Boolean, Date, DateTime, Unicode
from sqlalchemy.types import TypeEngine


class Types(object):
    """A holder class for easy access to SQLAlchemy type names."""
    integer = Integer
    string = Unicode
    text = UnicodeText
    float = Float
    bigint = BigInteger
    boolean = Boolean
    date = Date
    datetime = DateTime

    def guess(cls, sample):
        """Given a single sample, guess the column type for the field.

        If the sample is an instance of an SQLAlchemy type, the type will be
        used instead.
        """
        if isinstance(sample, TypeEngine):
            return sample
        if isinstance(sample, bool):
            return cls.boolean
        elif isinstance(sample, int):
            return cls.bigint
        elif isinstance(sample, float):
            return cls.float
        elif isinstance(sample, datetime):
            return cls.datetime
        elif isinstance(sample, date):
            return cls.date
        return cls.text

## Instruction:
Replace `cls` argument with `self` Not sure if this was originally intended to be a `@classmethod` but it's now written and called as a method bound to an instance of the class.
## Code After:
from datetime import datetime, date

from sqlalchemy import Integer, UnicodeText, Float, BigInteger
from sqlalchemy import Boolean, Date, DateTime, Unicode
from sqlalchemy.types import TypeEngine


class Types(object):
    """A holder class for easy access to SQLAlchemy type names."""
    integer = Integer
    string = Unicode
    text = UnicodeText
    float = Float
    bigint = BigInteger
    boolean = Boolean
    date = Date
    datetime = DateTime

    def guess(self, sample):
        """Given a single sample, guess the column type for the field.

        If the sample is an instance of an SQLAlchemy type, the type will be
        used instead.
        """
        if isinstance(sample, TypeEngine):
            return sample
        if isinstance(sample, bool):
            return self.boolean
        elif isinstance(sample, int):
            return self.bigint
        elif isinstance(sample, float):
            return self.float
        elif isinstance(sample, datetime):
            return self.datetime
        elif isinstance(sample, date):
            return self.date
        return self.text
