Fix formula

Author: ingenieroariel

Modules/Setup

@@ -287,7 +287,7 @@ _testinternalcapi _testinternalcapi.c
 _sqlite3 _sqlite/blob.c _sqlite/connection.c _sqlite/cursor.c _sqlite/microprotocols.c _sqlite/module.c _sqlite/prepare_protocol.c _sqlite/row.c _sqlite/statement.c _sqlite/util.c
 # Some testing modules MUST be built as shared libraries.
 
-_pyarrow/ _pyarrow/arrow_to_pandas.cc _pyarrow/deserialize.cc _pyarrow/inference.cc _pyarrow/parquet_encryption.cc _pyarrow/benchmark.cc _pyarrow/extension_type.cc _pyarrow/init.cc  _pyarrow/pyarrow.cc _pyarrow/common.cc  _pyarrow/filesystem.cc _pyarrow/io.cc _pyarrow/python_test.cc _pyarrow/csv.cc _pyarrow/flight.cc  _pyarrow/ipc.cc _pyarrow/python_to_arrow.cc _pyarrow/datetime.cc _pyarrow/gdb.cc _pyarrow/numpy_convert.cc _pyarrow/serialize.cc _pyarrow/decimal.cc _pyarrow/helpers.cc _pyarrow/numpy_to_arrow.cc _pyarrow/udf.cc
+_pyarrow _pyarrow/arrow_to_pandas.cc _pyarrow/deserialize.cc _pyarrow/inference.cc _pyarrow/parquet_encryption.cc _pyarrow/benchmark.cc _pyarrow/extension_type.cc _pyarrow/init.cc  _pyarrow/pyarrow.cc _pyarrow/common.cc  _pyarrow/filesystem.cc _pyarrow/io.cc _pyarrow/python_test.cc _pyarrow/csv.cc _pyarrow/flight.cc  _pyarrow/ipc.cc _pyarrow/python_to_arrow.cc _pyarrow/datetime.cc _pyarrow/gdb.cc _pyarrow/numpy_convert.cc _pyarrow/serialize.cc _pyarrow/decimal.cc _pyarrow/helpers.cc _pyarrow/numpy_to_arrow.cc _pyarrow/udf.cc
 
 #*shared*
 #_ctypes_test _ctypes/_ctypes_test.c