Fix flake8 warnings for new flake8

6 files changed, 12 insertions, 9 deletions

diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py
index c91c7a3729..5a9e7720d9 100644
--- a/synapse/storage/__init__.py
+++ b/synapse/storage/__init__.py
@@ -59,7 +59,7 @@ logger = logging.getLogger(__name__)
 # Number of msec of granularity to store the user IP 'last seen' time. Smaller
 # times give more inserts into the database even for readonly API hits
 # 120 seconds == 2 minutes
-LAST_SEEN_GRANULARITY = 120*1000
+LAST_SEEN_GRANULARITY = 120 * 1000
 
 
 class DataStore(RoomMemberStore, RoomStore,
diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py
index 5e77320540..cfb87d9328 100644
--- a/synapse/storage/_base.py
+++ b/synapse/storage/_base.py
@@ -185,7 +185,7 @@ class SQLBaseStore(object):
             time_then = self._previous_loop_ts
             self._previous_loop_ts = time_now
 
-            ratio = (curr - prev)/(time_now - time_then)
+            ratio = (curr - prev) / (time_now - time_then)
 
             top_three_counters = self._txn_perf_counters.interval(
                 time_now - time_then, limit=3
@@ -643,7 +643,10 @@ class SQLBaseStore(object):
         if not iterable:
             defer.returnValue(results)
 
-        chunks = [iterable[i:i+batch_size] for i in xrange(0, len(iterable), batch_size)]
+        chunks = [
+            iterable[i:i + batch_size]
+            for i in xrange(0, len(iterable), batch_size)
+        ]
         for chunk in chunks:
             rows = yield self.runInteraction(
                 desc,
diff --git a/synapse/storage/engines/sqlite3.py b/synapse/storage/engines/sqlite3.py
index 400c10103c..91fac33b8b 100644
--- a/synapse/storage/engines/sqlite3.py
+++ b/synapse/storage/engines/sqlite3.py
@@ -54,7 +54,7 @@ class Sqlite3Engine(object):
 
 def _parse_match_info(buf):
     bufsize = len(buf)
-    return [struct.unpack('@I', buf[i:i+4])[0] for i in range(0, bufsize, 4)]
+    return [struct.unpack('@I', buf[i:i + 4])[0] for i in range(0, bufsize, 4)]
 
 
 def _rank(raw_match_info):
diff --git a/synapse/storage/event_federation.py b/synapse/storage/event_federation.py
index 5f32eec6f8..ce2c794025 100644
--- a/synapse/storage/event_federation.py
+++ b/synapse/storage/event_federation.py
@@ -58,7 +58,7 @@ class EventFederationStore(SQLBaseStore):
             new_front = set()
             front_list = list(front)
             chunks = [
-                front_list[x:x+100]
+                front_list[x:x + 100]
                 for x in xrange(0, len(front), 100)
             ]
             for chunk in chunks:
diff --git a/synapse/storage/events.py b/synapse/storage/events.py
index 5e85552029..4d7cdd00d0 100644
--- a/synapse/storage/events.py
+++ b/synapse/storage/events.py
@@ -84,7 +84,7 @@ class EventsStore(SQLBaseStore):
                 event.internal_metadata.stream_ordering = stream
 
             chunks = [
-                events_and_contexts[x:x+100]
+                events_and_contexts[x:x + 100]
                 for x in xrange(0, len(events_and_contexts), 100)
             ]
 
@@ -740,7 +740,7 @@ class EventsStore(SQLBaseStore):
         rows = []
         N = 200
         for i in range(1 + len(events) / N):
-            evs = events[i*N:(i + 1)*N]
+            evs = events[i * N:(i + 1) * N]
             if not evs:
                 break
 
@@ -755,7 +755,7 @@ class EventsStore(SQLBaseStore):
                 " LEFT JOIN rejections as rej USING (event_id)"
                 " LEFT JOIN redactions as r ON e.event_id = r.redacts"
                 " WHERE e.event_id IN (%s)"
-            ) % (",".join(["?"]*len(evs)),)
+            ) % (",".join(["?"] * len(evs)),)
 
             txn.execute(sql, evs)
             rows.extend(self.cursor_to_dict(txn))
diff --git a/synapse/storage/stream.py b/synapse/storage/stream.py
index 338a9d40d5..2c49a5e499 100644
--- a/synapse/storage/stream.py
+++ b/synapse/storage/stream.py
@@ -168,7 +168,7 @@ class StreamStore(SQLBaseStore):
 
         results = {}
         room_ids = list(room_ids)
-        for rm_ids in (room_ids[i:i+20] for i in xrange(0, len(room_ids), 20)):
+        for rm_ids in (room_ids[i:i + 20] for i in xrange(0, len(room_ids), 20)):
             res = yield defer.gatherResults([
                 self.get_room_events_stream_for_room(
                     room_id, from_key, to_key, limit