Modified gantt datasource validation error message

Yoginski · Yoginski · commit 7681352e06b3 · 2016-09-03T13:44:52.000-04:00
diff --git a/plotly/tools.py b/plotly/tools.py
@@ -1693,7 +1693,7 @@ 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)

Original file line number	Diff line number	Diff line change
`@@ -1693,7 +1693,7 @@ def _validate_gantt(df):`
`1693`	`1693`	`if key not in df:`
`1694`	`1694`	`raise exceptions.PlotlyError(`
`1695`	`1695`	`"The columns in your dataframe must include the "`
`1696`		`- "keys".format(REQUIRED_GANTT_KEYS)`
	`1696`	`+ "following keys: {0}".format(', '.join(REQUIRED_GANTT_KEYS))`
`1697`	`1697`	`)`
`1698`	`1698`
`1699`	`1699`	`num_of_rows = len(df.index)`