flake8 fix

pymysql/err.py

@@ -68,10 +68,12 @@ class NotSupportedError(DatabaseError):
 
 error_map = {}
 
+
 def _map_error(exc, *errors):
     for error in errors:
         error_map[error] = exc
 
+
 _map_error(ProgrammingError, ER.DB_CREATE_EXISTS, ER.SYNTAX_ERROR,
            ER.PARSE_ERROR, ER.NO_SUCH_TABLE, ER.WRONG_DB_NAME,
            ER.WRONG_TABLE_NAME, ER.FIELD_SPECIFIED_TWICE,

pymysql/times.py

@@ -1,16 +1,20 @@
 from time import localtime
 from datetime import date, datetime, time, timedelta
 
+
 Date = date
 Time = time
 TimeDelta = timedelta
 Timestamp = datetime
 
+
 def DateFromTicks(ticks):
     return date(*localtime(ticks)[:3])
 
+
 def TimeFromTicks(ticks):
     return time(*localtime(ticks)[3:6])
 
+
 def TimestampFromTicks(ticks):
     return datetime(*localtime(ticks)[:6])

pymysql/util.py

@@ -1,14 +1,17 @@
 import struct
 
+
 def byte2int(b):
     if isinstance(b, int):
         return b
     else:
         return struct.unpack("!B", b)[0]
 
+
 def int2byte(i):
     return struct.pack("!B", i)
 
+
 def join_bytes(bs):
     if len(bs) == 0:
         return ""
@@ -17,4 +20,3 @@ def join_bytes(bs):
         for b in bs[1:]:
             rv += b
         return rv
-