attribute fix

Author: Terji Petersen

pandas/plotting/_matplotlib/core.py

@@ -1195,7 +1195,7 @@ def __init__(self, data, x, y, s=None, c=None, **kwargs) -> None:
         elif is_hashable(s) and s in data.columns:
             s = data[s]
         super().__init__(data, x, y, s=s, **kwargs)
-        if is_integer(c) and not holds_integer(self.data.columns.holds):
+        if is_integer(c) and not holds_integer(self.data.columns):
             c = self.data.columns[c]
         self.c = c