Merge pull request #563 from Yoginski/gantt-error-message-fix

Modified gantt datasource validation error message
plotly · Oct 24, 2016 · 86291ff · 86291ff
2 parents 3434aeb + 7681352
commit 86291ff
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/plotly/tools.py b/plotly/tools.py
@@ -1695,7 +1695,7 @@ def _validate_gantt(df):
                 if key not in df:
                     raise exceptions.PlotlyError(
                         "The columns in your dataframe must include the "
-                        "keys".format(REQUIRED_GANTT_KEYS)
+                        "following keys: {0}".format(', '.join(REQUIRED_GANTT_KEYS))
                     )
 
             num_of_rows = len(df.index)