Do not install psycopg2 from wheel to avoid warning message

This is due to a segfault issue as reported in
psycopg/psycopg2#543

requirements.txt

@@ -1,6 +1,7 @@
 # order is the order pip will install, so if package A depends on B make sure B comes first
-# postgres python driver
-psycopg2>=2.6.1
+# postgres python driver, no binary due to https://github.com/psycopg/psycopg2/issues/543
+# can be removed when 2.8 is out
+psycopg2>=2.7 --no-binary psycopg2
 # ORM tool
 SQLAlchemy>=1.0.11
 # database migrations

setup.py

@@ -135,6 +135,9 @@ def _find_requirements():
                       file=sys.stderr)
                 continue
             line = line[egg_index+5:]
+        # normal format: use requirement and drop additional parameters
+        else:
+            line = line.split()[0]
         req_list.append(line)
 
     return req_list

tools/ci/lib/manager.py

@@ -382,7 +382,7 @@ def _compose_start(self, dev_mode=False, cli_test=False):
         # add auth token to admin user in client to make it ready for use
         # better hide token from logs
         ret_code, output = self._session.run(
-            'docker exec tessia_server_1 tess-dbmanage get-token',
+            'docker exec tessia_server_1 tess-dbmanage get-token 2>/dev/null',
             stdout=False)
         if ret_code != 0:
             raise RuntimeError(