fix code style to pass flake8 test

Author: alubennikova

testgres/node.py

@@ -526,8 +526,8 @@ def get_auth_method(t):
                                  wal_level=wal_level)  # yapf: disable
             else:
                 self.append_conf(hot_standby=True,
-                        wal_keep_size=WAL_KEEP_SIZE,
-                        wal_level=wal_level)  # yapf: disable
+                                 wal_keep_size=WAL_KEEP_SIZE,
+                                 wal_level=wal_level)  # yapf: disable
 
         # logical replication
         if allow_logical:

testgres/utils.py

@@ -79,7 +79,7 @@ def execute_utility(args, logfile=None):
 
                 if out:
                     # comment-out lines
-                    lines = ('# ' + l for l in out.splitlines(True))
+                    lines = ('# ' + line for line in out.splitlines(True))
                     file_out.write(u'\n')
                     file_out.writelines(lines)