Revert "Ignore the psycopg2 warnings"

This reverts commit 3d60482.

onegov/server/cli.py

@@ -58,7 +58,6 @@
 import time
 import resource
 import traceback
-import warnings
 
 from datetime import datetime
 from onegov.server import Server
@@ -69,12 +68,6 @@
 from xtermcolor import colorize
 
 
-def ignore_warnings(*messages):
-    # we're going to be using the default psycopg2, not the new psycopg2-wheel
-    for message in messages:
-        warnings.filterwarnings("ignore", message=message)
-
-
 @click.command()
 @click.option(
     '--config-file',
@@ -116,16 +109,6 @@ def run(config_file, port, pdb):
     # because click does not play well with sphinx yet
     # see https://github.com/mitsuhiko/click/issues/127
 
-    # not necessarily where you would expect this kind of filter, but since
-    # it is one of the earliast lines of code to be executed we kind of have
-    # no choice - the later we do this, the less effective our filters are,
-    # even though later would be more correct
-
-    ignore_warnings(
-        # we will keep using psycopg2 instead of psycogp2-binary
-        "The psycopg2 wheel package will be renamed from release 2.8"
-    )
-
     def wsgi_factory():
         return Server(Config.from_yaml_file(config_file), post_mortem=pdb)