add some Python 2 modules

python2/zlib.py

@@ -0,0 +1,28 @@
+# This is an autogenerated file. It serves as a starting point
+# for a more percise manual annotation of this module.
+# Feel free to edit the source below, but remove this header when you do.
+
+def compress(a: Nothing, *args, **kwargs) -> str:
+    raise MemoryError()
+
+def crc32(a: Nothing, *args, **kwargs) -> int: pass
+
+def compressobj(*args, **kwargs) -> object:
+    raise MemoryError()
+    raise ValueError()
+
+def adler32(a: Nothing, *args, **kwargs) -> int: pass
+
+def decompressobj(*args, **kwargs) -> object:
+    raise MemoryError()
+    raise ValueError()
+
+def decompress(a: Nothing, *args, **kwargs) -> str:
+    raise MemoryError()
+
+
+class Decompress(object):
+    pass
+
+class Compress(object):
+    pass