Fix flake8 blames again

Author: asvetlov

aiomysql/connection.py

@@ -588,7 +588,7 @@ def _read_query_result(self, unbuffered=False):
             try:
                 result = MySQLResult(self)
                 yield from result.init_unbuffered_query()
-            except:
+            except BaseException:
                 result.unbuffered_active = False
                 result.connection = None
                 raise

aiomysql/sa/result.py

@@ -377,9 +377,9 @@ def fetchall(self):
         except AttributeError:
             self._non_result()
         else:
-            l = self._process_rows(rows)
+            ret = self._process_rows(rows)
             yield from self.close()
-            return l
+            return ret
 
     @asyncio.coroutine
     def fetchone(self):
@@ -415,10 +415,10 @@ def fetchmany(self, size=None):
         except AttributeError:
             self._non_result()
         else:
-            l = self._process_rows(rows)
-            if len(l) == 0:
+            ret = self._process_rows(rows)
+            if len(ret) == 0:
                 yield from self.close()
-            return l
+            return ret
 
     @asyncio.coroutine
     def first(self):

aiomysql/utils.py

@@ -207,5 +207,5 @@ def __aexit__(self, exc_type, exc_val, exc_tb):
     try:
         from asyncio import coroutines
         coroutines._COROUTINE_TYPES += (_ContextManager,)
-    except:
+    except Exception:
         pass