REF: Use _python_apply_general internally (pandas-dev#52342)

pandas/core/groupby/generic.py

@@ -2685,7 +2685,9 @@ def dtypes(self) -> Series:
         )
 
         # error: Incompatible return value type (got "DataFrame", expected "Series")
-        return self.apply(lambda df: df.dtypes)  # type: ignore[return-value]
+        return self._python_apply_general(  # type: ignore[return-value]
+            lambda df: df.dtypes, self._selected_obj
+        )
 
     @doc(DataFrame.corrwith.__doc__)
     def corrwith(

pandas/core/groupby/groupby.py

@@ -673,14 +673,14 @@ def f(self):
             return self.plot(*args, **kwargs)
 
         f.__name__ = "plot"
-        return self._groupby.apply(f)
+        return self._groupby._python_apply_general(f, self._groupby._selected_obj)
 
     def __getattr__(self, name: str):
         def attr(*args, **kwargs):
             def f(self):
                 return getattr(self.plot, name)(*args, **kwargs)
 
-            return self._groupby.apply(f)
+            return self._groupby._python_apply_general(f, self._groupby._selected_obj)
 
         return attr
 
@@ -1117,7 +1117,7 @@ def curried(x):
         # special case otherwise extra plots are created when catching the
         # exception below
         if name in base.plotting_methods:
-            return self.apply(curried)
+            return self._python_apply_general(curried, self._selected_obj)
 
         is_transform = name in base.transformation_kernels
         result = self._python_apply_general(