convert pandas ExtensionArray to PyList

Author: Christopher Doris

src/convert.jl

@@ -444,6 +444,7 @@ function init_pyconvert()
     pyconvert_add_rule("io:IOBase", PyIO, pyconvert_rule_io, priority)
     pyconvert_add_rule("_io:_IOBase", PyIO, pyconvert_rule_io, priority)
     pyconvert_add_rule("pandas.core.frame:DataFrame", PyPandasDataFrame, pyconvert_rule_pandasdataframe, priority)
+    pyconvert_add_rule("pandas.core.arrays.base:ExtensionArray", PyList, pyconvert_rule_sequence, priority)
     pyconvert_add_rule("builtins:tuple", Tuple, pyconvert_rule_iterable, priority)
     pyconvert_add_rule("datetime:datetime", DateTime, pyconvert_rule_datetime, priority)
     pyconvert_add_rule("datetime:date", Date, pyconvert_rule_date, priority)