change Makefile.am

Makefile.am

@@ -174,7 +174,6 @@ EXTRA_DIST =                                                                 \
   python/google/protobuf/internal/containers.py                              \
   python/google/protobuf/internal/cpp_message.py                             \
   python/google/protobuf/internal/decoder.py                                 \
-  python/google/protobuf/internal/descriptor_cpp2_test.py                    \
   python/google/protobuf/internal/descriptor_database_test.py                \
   python/google/protobuf/internal/descriptor_pool_test.py                    \
   python/google/protobuf/internal/descriptor_pool_test1.proto                \
@@ -186,7 +185,6 @@ EXTRA_DIST =                                                                 \
   python/google/protobuf/internal/factory_test1.proto                        \
   python/google/protobuf/internal/factory_test2.proto                        \
   python/google/protobuf/internal/generator_test.py                          \
-  python/google/protobuf/internal/message_factory_cpp2_test.py               \
   python/google/protobuf/internal/message_factory_python_test.py             \
   python/google/protobuf/internal/message_factory_test.py                    \
   python/google/protobuf/internal/message_listener.py                        \
@@ -197,9 +195,9 @@ EXTRA_DIST =                                                                 \
   python/google/protobuf/internal/more_extensions_dynamic.proto              \
   python/google/protobuf/internal/more_messages.proto                        \
   python/google/protobuf/internal/python_message.py                          \
-  python/google/protobuf/internal/reflection_cpp2_generated_test.py          \
   python/google/protobuf/internal/reflection_test.py                         \
   python/google/protobuf/internal/service_reflection_test.py                 \
+  python/google/protobuf/internal/symbol_database_test.py                    \
   python/google/protobuf/internal/test_bad_identifiers.proto                 \
   python/google/protobuf/internal/test_util.py                               \
   python/google/protobuf/internal/text_encoding_test.py                      \
@@ -213,13 +211,16 @@ EXTRA_DIST =                                                                 \
   python/google/protobuf/pyext/cpp_message.py                                \
   python/google/protobuf/pyext/descriptor.h                                  \
   python/google/protobuf/pyext/descriptor.cc                                 \
+  python/google/protobuf/pyext/descriptor_cpp2_test.py                       \
   python/google/protobuf/pyext/extension_dict.h                              \
   python/google/protobuf/pyext/extension_dict.cc                             \
   python/google/protobuf/pyext/message.h                                     \
   python/google/protobuf/pyext/message.cc                                    \
+  python/google/protobuf/pyext/message_factory_cpp2_test.py                  \
   python/google/protobuf/pyext/proto2_api_test.proto                         \
   python/google/protobuf/pyext/python.proto                                  \
   python/google/protobuf/pyext/python_protobuf.h                             \
+  python/google/protobuf/pyext/reflection_cpp2_generated_test.py             \
   python/google/protobuf/pyext/repeated_composite_container.h                \
   python/google/protobuf/pyext/repeated_composite_container.cc               \
   python/google/protobuf/pyext/repeated_scalar_container.h                   \