code sample for pandas-dev#12693

Author: simonjayhawkins

bisect/12693.py

@@ -0,0 +1,15 @@
+# df.duplicated and drop_duplicates raise TypeError with set and list values. #12693
+
+import pandas as pd
+
+print(pd.__version__)
+
+df = pd.DataFrame([[{"a", "b"}], [{"b", "c"}], [{"b", "a"}]])
+
+try:
+    result = df.duplicated()
+except TypeError as e:
+    print(e)
+else:
+    print(result)
+    exit(1)