update dedeprecation message for np.ptp DEPR pandas-dev#28665 pandas-dev#6581

Author: hasnain2808

pandas/core/generic.py

@@ -10198,7 +10198,10 @@ def nanptp(values, axis=0, skipna=True):
             nmin = nanops.nanmin(values, axis, skipna)
             warnings.warn(
                 "Method .ptp is deprecated and will be removed "
-                "in a future version. Use numpy.ptp instead.",
+                "in a future version. Use numpy.ptp instead."
+                "if you are already using numpy.ptp and still getting this message"
+                "please call to_numpy() to avoid this message in future calls"
+                "eg : np.ptp(pd.Series([1, 2, 3]).to_numpy())",
                 FutureWarning,
                 stacklevel=4,
             )