[BEAM-9277] Fix exception when running in IPython notebook.

mransley · Feb 14, 2020 · 79a2327 · 79a2327
1 parent 290bd9f
commit 79a2327
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diff --git a/CHANGES.md b/CHANGES.md
@@ -43,6 +43,7 @@
 ### Bugfixes
 
 * Fixed X (Java/Python) ([BEAM-X](https://issues.apache.org/jira/browse/BEAM-X)).
+* Fixed exception when running in IPython notebook (Python) ([BEAM-X9277](https://issues.apache.org/jira/browse/BEAM-9277)).
 
 ### Known Issues
 

diff --git a/sdks/python/apache_beam/utils/interactive_utils.py b/sdks/python/apache_beam/utils/interactive_utils.py
@@ -81,7 +81,8 @@ def alter_label_if_ipython(transform, pvalueish):
  _LOGGER.warning(
  'Failed to alter the label of a transform with the '
  'ipython prompt metadata. Cannot figure out the pipeline '
- 'that the given pvalueish %s belongs to. Thus noop.' % pvalueish)
+ 'that the given pvalueish %s belongs to. Thus noop.',
+ pvalueish)
  if (pipeline
  # We only alter for transforms to be applied to user-defined pipelines
  # at pipeline construction time.