Cannot access attribute "rename" for class "TextFileReader"   Attribute "rename" is unknown (reportAttributeAccessIssue)

Cannot access attribute "columns" for class "TextFileReader"   Attribute "columns" is unknown (reportAttributeAccessIssue)

Cannot access attribute "set_index" for class "TextFileReader"   Attribute "set_index" is unknown (reportAttributeAccessIssue)

No overloads for "concat" match the provided arguments (reportCallIssue)

Argument of type "list[DataFrame | TextFileReader]" cannot be assigned to parameter "objs" of type "Iterable[NDFrame] | Mapping[HashableT@concat, NDFrame]" in function "concat" (reportArgumentType)

Cannot access attribute "T" for class "TextFileReader"   Attribute "T" is unknown (reportAttributeAccessIssue)

Cannot access attribute "T" for class "TextFileReader"   Attribute "T" is unknown (reportAttributeAccessIssue)

"__getitem__" method not defined on type "TextFileReader" (reportIndexIssue)

Argument of type "Series | DataFrame* | DataFrame | Unknown | None" cannot be assigned to parameter "x" of type "ArrayLike"   Type "Series | DataFrame* | DataFrame | Unknown | None" is not assignable to type "ArrayLike"     Type "None" is not assignable to type "ArrayLike"       "None" is not assignable to "float"       "None" is incompatible with protocol "_SupportsArray[dtype[Any]]"         "__array__" is not present       "None" is incompatible with protocol "_NestedSequence[_SupportsArray[dtype[Any]]]"         "__len__" is not present         "__getitem__" is not present ... (reportArgumentType)