Fix some flake8 failures complaining about space missing after assert

Author: ldionne

foo

@@ -46,7 +46,7 @@ def upgrade_testsuite(engine, session, name):
     # Grab Test Suite.
     test_suite = session.query(upgrade_0_to_1.TestSuite).\
                  filter_by(name=name).first()
-    assert(test_suite is not None)
+    assert test_suite is not None
 
     # Add FieldChange to the test suite.
     Base = add_fieldchange(test_suite)

lnt/server/db/migrations/upgrade_2_to_3.py

@@ -87,7 +87,7 @@ def upgrade_testsuite(engine, session, name):
     # Grab Test Suite.
     test_suite = session.query(upgrade_0_to_1.TestSuite).\
                  filter_by(name=name).first()
-    assert(test_suite is not None)
+    assert test_suite is not None
 
     # Add FieldChange to the test suite.
     Base = add_regressions(test_suite)

lnt/server/db/migrations/upgrade_7_to_8.py

@@ -167,7 +167,7 @@ def from_json(data):
                 run_fields.append(field)
         ts.run_fields = run_fields
         ts.order_fields = order_fields
-        assert(len(order_fields) > 0)
+        assert len(order_fields) > 0
 
         sample_fields = []
         for index, metric_desc in enumerate(data['metrics']):

lnt/server/db/testsuite.py

@@ -532,7 +532,7 @@ def upgrade_1_to_2(data, ts_name):
     result['format_version'] = '2'
     report_version = data['Run']['Info'].pop('__report_version__', '1')
     # We should not be in upgrade_1_to_2 for other versions
-    assert(report_version == '1')
+    assert report_version == '1'
     tag = data['Run']['Info'].pop('tag', None)
     if tag is not None and tag != ts_name:
         raise ValueError("Importing '%s' data into '%s' testsuite" %
@@ -589,7 +589,7 @@ def upgrade_1_to_2(data, ts_name):
 
         found_metric = False
         for oldname, newname in upgrade.metric_rename.items():
-            assert(oldname.startswith('.'))
+            assert oldname.startswith('.')
             if name_metric.endswith(oldname):
                 name = name_metric[:-len(oldname)]
                 metric = newname