Avoid calling __Pyx_GetModuleGlobalName for ExtType (#363)

brmmm3 · methane · commit b98b8cab99d7 · 2019-09-19T01:15:09.000+09:00
diff --git a/msgpack/_packer.pyx b/msgpack/_packer.pyx
@@ -3,6 +3,8 @@
 from cpython cimport *
 from cpython.bytearray cimport PyByteArray_Check, PyByteArray_CheckExact
 
+cdef ExtType
+
 from . import ExtType
 
 
