format after using right black version

Author: adehad

Diff for: packages/python/plotly/plotly/io/_utils.py

@@ -45,6 +45,4 @@ def validate_coerce_output_type(output_type):
 
 def plotly_cdn_url(cdn_ver=get_plotlyjs_version()):
     """Return a valid plotly CDN url."""
-    return "https://cdn.plot.ly/plotly-{cdn_ver}.min.js".format(
-        cdn_ver=cdn_ver,
-    )
+    return "https://cdn.plot.ly/plotly-{cdn_ver}.min.js".format(cdn_ver=cdn_ver,)