diff --git a/proxy.py b/proxy.py
index bba62e0c..f29dfbbc 100755
--- a/proxy.py
+++ b/proxy.py
@@ -222,9 +222,9 @@ class HttpParser(object):
             self.process_header(line)
 
         # See `TestHttpParser.test_connect_request_without_host_header_request_parse` for details
-        if self.state == HttpParser.states.RCVING_HEADERS and \
+        if self.state == HttpParser.states.LINE_RCVD and \
                 self.method == b'CONNECT' and \
-                self.raw.endswith(CRLF * 2):
+                data == CRLF:
             self.state = HttpParser.states.COMPLETE
 
         if self.state == HttpParser.states.HEADERS_COMPLETE and \
diff --git a/requirements-dev.txt b/requirements-dev.txt
new file mode 100644
index 00000000..f28d14fd
--- /dev/null
+++ b/requirements-dev.txt
@@ -0,0 +1,3 @@
+coverage==4.5.2
+pyflakes==2.0.0
+twine==1.12.1
\ No newline at end of file
diff --git a/tests.py b/tests.py
index 5ca73df5..19ea44bf 100644
--- a/tests.py
+++ b/tests.py
@@ -99,7 +99,7 @@ class TestHttpParser(unittest.TestCase):
 
     def test_split(self):
         self.assertEqual(HttpParser.split(b'CONNECT python.org:443 HTTP/1.0\r\n\r\n'),
-                         (b'CONNECT python.org:443 HTTP/1.0', '\r\n'))
+                         (b'CONNECT python.org:443 HTTP/1.0', b'\r\n'))
 
     def test_split_false_line(self):
         self.assertEqual(HttpParser.split(b'CONNECT python.org:443 HTTP/1.0'),