1 files changed, 13 insertions, 14 deletions
diff --git a/synapse/streams/config.py b/synapse/streams/config.py
index 451e4fa441..f7f5906a99 100644
--- a/synapse/streams/config.py
+++ b/synapse/streams/config.py
@@ -30,34 +30,34 @@ class SourcePaginationConfig(object):
     """A configuration object which stores pagination parameters for a
     specific event source."""
 
-    def __init__(self, from_key=None, to_key=None, direction='f',
-                 limit=None):
+    def __init__(self, from_key=None, to_key=None, direction="f", limit=None):
         self.from_key = from_key
         self.to_key = to_key
-        self.direction = 'f' if direction == 'f' else 'b'
+        self.direction = "f" if direction == "f" else "b"
         self.limit = min(int(limit), MAX_LIMIT) if limit is not None else None
 
     def __repr__(self):
-        return (
-            "StreamConfig(from_key=%r, to_key=%r, direction=%r, limit=%r)"
-        ) % (self.from_key, self.to_key, self.direction, self.limit)
+        return ("StreamConfig(from_key=%r, to_key=%r, direction=%r, limit=%r)") % (
+            self.from_key,
+            self.to_key,
+            self.direction,
+            self.limit,
+        )
 
 
 class PaginationConfig(object):
 
     """A configuration object which stores pagination parameters."""
 
-    def __init__(self, from_token=None, to_token=None, direction='f',
-                 limit=None):
+    def __init__(self, from_token=None, to_token=None, direction="f", limit=None):
         self.from_token = from_token
         self.to_token = to_token
-        self.direction = 'f' if direction == 'f' else 'b'
+        self.direction = "f" if direction == "f" else "b"
         self.limit = min(int(limit), MAX_LIMIT) if limit is not None else None
 
     @classmethod
-    def from_request(cls, request, raise_invalid_params=True,
-                     default_limit=None):
-        direction = parse_string(request, "dir", default='f', allowed_values=['f', 'b'])
+    def from_request(cls, request, raise_invalid_params=True, default_limit=None):
+        direction = parse_string(request, "dir", default="f", allowed_values=["f", "b"])
 
         from_tok = parse_string(request, "from")
         to_tok = parse_string(request, "to")
@@ -89,8 +89,7 @@ class PaginationConfig(object):
 
     def __repr__(self):
         return (
-            "PaginationConfig(from_tok=%r, to_tok=%r,"
-            " direction=%r, limit=%r)"
+            "PaginationConfig(from_tok=%r, to_tok=%r," " direction=%r, limit=%r)"
         ) % (self.from_token, self.to_token, self.direction, self.limit)
 
     def get_source_config(self, source_name):