Fixup coverage test config for new compat module

Author: alekstorm

Diff for: .coveragerc

@@ -1,2 +1,4 @@
 [run]
-omit=hyper/httplib_compat.py
+omit =
+    hyper/compat.py
+    hyper/httplib_compat.py

Diff for: conftest.py

@@ -2,8 +2,10 @@
 import pytest
 import os
 import json
+import sys
 
-from hyper.compat import open
+if sys.version_info[0] == 2:
+    from codecs import open
 
 # This pair of generator expressions are pretty lame, but building lists is a
 # bad idea as I plan to have a substantial number of tests here.

Diff for: hyper/compat.py

@@ -18,7 +18,6 @@
 is_py3 = (_ver[0] == 3)
 
 if is_py2:
-    from codecs import open
     from urlparse import urlparse
 
     def to_byte(char):
@@ -41,5 +40,4 @@ def to_byte(char):
     def decode_hex(b):
         return bytes.fromhex(b)
 
-    open = open
     zlib_compressobj = zlib.compressobj

Diff for: hyper/http20/tls.py

@@ -28,7 +28,7 @@
 cert_loc = path.join(path.dirname(__file__), '..', 'certs.pem')
 
 
-if is_py3:
+if is_py3: # pragma: no cover
     def wrap_socket(socket, server_hostname):
         """
         A vastly simplified SSL wrapping function. We'll probably extend this to
@@ -45,13 +45,13 @@ def wrap_socket(socket, server_hostname):
         wrapped = _context.wrap_socket(socket)  # pragma: no cover
         assert wrapped.selected_npn_protocol() == 'HTTP-draft-09/2.0'
         return wrapped
-else:
+else: # pragma: no cover
     def wrap_socket(socket, server_hostname):
         return ssl.wrap_socket(socket, ssl_version=ssl.PROTOCOL_SSLv23,
             ca_certs=cert_loc, cert_reqs=_verify_mode)
 
 
-def _init_context():
+def _init_context(): # pragma: no cover
     """
     Creates the singleton SSLContext we use.
     """