chenlica commented on code in PR #4261:
URL: https://github.com/apache/texera/pull/4261#discussion_r2891216492


##########
common/workflow-operator/src/main/scala/org/apache/texera/amber/operator/visualization/wordCloud/WordCloudOpDesc.scala:
##########
@@ -67,7 +66,7 @@ class WordCloudOpDesc extends PythonOperatorDescriptor {
   def manipulateTable(): PythonTemplateBuilder = {
     pyb"""
        |        table.dropna(subset = [$textColumn], inplace = True) #remove 
missing values
-       |        table = table[table[$textColumn].str.contains(r'\\w', 
regex=True)]
+       |        table = table[table[$textColumn].str.contains(r'\w', 
regex=True)]

Review Comment:
   @bobbai00 Just curious, how was this problem introduced?  WordCloud used to 
work well.  Can we add a test case?



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