code: def __init__(self, expr: "Expression") -> None:
      if not isinstance(expr, Expression):
          raise PySparkTypeError(
              error_class="NOT_EXPRESSION",
              message_parameters={
                  "arg_name": "expr",
                  "arg_type": type(expr).__name__,
              },
          )
      self._expr = expr
  
imports: from pyspark.sql.connect.utils import check_dependencies
  import datetime
  import decimal
  import warnings
  from typing import TYPE_CHECKING, Callable, Any, Union, overload, Optional
  from pyspark.errors import PySparkTypeError, PySparkAttributeError, PySparkValueError
  from pyspark.sql.types import DataType
  from pyspark.sql.column import Column
  import pyspark.sql.connect.proto
  from pyspark.sql.connect.expressions import Expression, UnresolvedFunction, UnresolvedExtractValue, LiteralExpression, CaseWhen, SortOrder, CastExpression, WindowExpression, WithField, DropField
label_desc: Use image node_id 1 to create a new Column object  with example: obj = Column(expr)