Fix horrible typo

Author: jschaeff

apps/root.py

@@ -132,7 +132,7 @@ def get_post_params():
     paramslist = list()
     code = ("network", "station", "location", "channel")
     exclude = ("net", "sta", "cha", "loc", "starttime", "endtime", "constraints")
-    post_params = [(k for k in Parameters().todict() if k not in exclude]
+    post_params = [k for k in Parameters().todict() if k not in exclude]
 
     # Universal newline decoding :
     stream = io.StringIO(request.stream.read().decode("UTF8"), newline=None)