fix some small formatting issues

api/helpers.py

@@ -26,4 +26,4 @@ def pagination_to_dict(pagination):
         'has_next': pagination.has_next,
         'has_prev': pagination.has_prev,
         'total': pagination.total
-    }
+    }

api/models/i18n.py

@@ -2,6 +2,7 @@
 from datetime import datetime
 from api import db
 
+
 class Text(db.Model):
 
     __tablename__ = 'i18n-texts'
@@ -27,4 +28,4 @@ class TextData(db.Model):
     inserted = db.Column(db.DateTime, default=datetime.utcnow)
     updated = db.Column(db.DateTime)
 
-    __table_args__ = (db.PrimaryKeyConstraint(textid, language, territory),)
+    __table_args__ = (db.PrimaryKeyConstraint(textid, language, territory),)

api/resources/categories.py

@@ -18,6 +18,7 @@ def list():
     }
     return jsonify(j)
 
+
 @mod.route("/<int:id>", methods=["GET"])
 def show(id):
     category = Category.query.get_or_404(id)