Fix creating ssl certs, fix a stat error

sickbeard/helpers.py

@@ -750,7 +750,7 @@ def chmodAsParent(childPath):
     childPathStat = os.stat(childPath.encode(sickbeard.SYS_ENCODING))
     childPath_mode = stat.S_IMODE(childPathStat[stat.ST_MODE])
 
-    if os.path.isfile(childPath):
+    if ek(os.path.isfile, childPath):
         childMode = fileBitFilter(parentMode)
     else:
         childMode = parentMode
@@ -973,8 +973,8 @@ def create_https_certificates(ssl_cert, ssl_key):
     try:
         # pylint: disable=E1101
         # Module has no member
-        io.open(ssl_key, 'w').write(crypto.dump_privatekey(crypto.FILETYPE_PEM, pkey))
-        io.open(ssl_cert, 'w').write(crypto.dump_certificate(crypto.FILETYPE_PEM, cert))
+        io.open(ssl_key, 'wb').write(crypto.dump_privatekey(crypto.FILETYPE_PEM, pkey))
+        io.open(ssl_cert, 'wb').write(crypto.dump_certificate(crypto.FILETYPE_PEM, cert))
     except Exception:
         logger.log(u"Error creating SSL key and certificate", logger.ERROR)
         return False