diff --git a/slixmpp/componentxmpp.py b/slixmpp/componentxmpp.py
index bde112b4..f811987d 100644
--- a/slixmpp/componentxmpp.py
+++ b/slixmpp/componentxmpp.py
@@ -95,7 +95,9 @@ class ComponentXMPP(BaseXMPP):
         for st in Message, Iq, Presence:
             register_stanza_plugin(st, Error)
 
-    def connect(self, host: str = None, port: int = 0, use_ssl: Optional[bool] = None) -> None:
+    def connect(self, host: Optional[str] = None, port: int = 0, use_ssl: Optional[bool] = None,
+                force_starttls: Optional[bool] = None,
+                disable_starttls: Optional[bool] = None) -> None:
         """Connect to the server.
 
 
@@ -105,6 +107,8 @@ class ComponentXMPP(BaseXMPP):
                      Defauts to :attr:`server_port`.
         :param use_ssl: Flag indicating if SSL should be used by connecting
                         directly to a port using SSL.
+        :param force_starttls: UNUSED
+        :param disable_starttls: UNUSED
         """
         if host is not None:
             self.server_host = host
diff --git a/slixmpp/xmlstream/xmlstream.py b/slixmpp/xmlstream/xmlstream.py
index 7df8d420..95e6b9a3 100644
--- a/slixmpp/xmlstream/xmlstream.py
+++ b/slixmpp/xmlstream/xmlstream.py
@@ -524,7 +524,7 @@ class XMLStream(asyncio.BaseProtocol):
             else:
                 self.loop.run_until_complete(self.disconnected)
         else:
-            tasks: List[Awaitable] = [asyncio.Task(asyncio.sleep(timeout))]
+            tasks: List[asyncio.Task] = [asyncio.Task(asyncio.sleep(timeout))]
             if not forever:
                 tasks.append(self.disconnected)
             self.loop.run_until_complete(asyncio.wait(tasks))
@@ -850,6 +850,8 @@ class XMLStream(asyncio.BaseProtocol):
             log.debug("Connection error:", exc_info=True)
             self.disconnect()
             return False
+        if transp is None:
+            raise Exception("Transport should not be none")
         der_cert = transp.get_extra_info("ssl_object").getpeercert(True)
         pem_cert = ssl.DER_cert_to_PEM_cert(der_cert)
         self.event('ssl_cert', pem_cert)