fix liniting errors

treeherder/model/models.py

@@ -12,7 +12,7 @@
 from django.core.exceptions import ObjectDoesNotExist
 from django.core.validators import MinLengthValidator
 from django.db import models, transaction
-from django.db.models import Count, Max, Min, Q, Subquery,
+from django.db.models import Count, Max, Min, Q, Subquery
 from django.contrib.postgres.search import TrigramSimilarity, SearchVector
 from django.db.utils import ProgrammingError
 from django.forms import model_to_dict
@@ -197,7 +197,6 @@ class Meta:
         ]
     def __str__(self):
         return f"{self.push.repository.name} {self.revision}"
-
 class MachinePlatform(models.Model):
     id = models.AutoField(primary_key=True)
     os_name = models.CharField(max_length=25)

treeherder/webapp/api/push.py

@@ -23,7 +23,6 @@
 from treeherder.webapp.api.utils import to_datetime, to_timestamp
 
 from django.contrib.postgres.search import SearchVector, SearchQuery
-
 logger = logging.getLogger(__name__)
 
 
@@ -79,7 +78,6 @@ def list(self, request, project):
                     search=SearchQuery(search_param, config="english")
                 ).values_list("push_id", flat=True)
         pushes = pushes.filter(id__in=filtered_commits)
-
         for param, value in meta.items():
             if param == "fromchange":
                 revision_field = "revision__startswith" if len(value) < 40 else "revision"