diff --git a/pymysqlreplication/event.py b/pymysqlreplication/event.py
index 4f05bd1a..7db9f3dd 100644
--- a/pymysqlreplication/event.py
+++ b/pymysqlreplication/event.py
@@ -3,7 +3,7 @@
 import struct
 import datetime
 
-from pymysql.util import byte2int, int2byte
+from .util import byte2int, int2byte
 
 
 class BinLogEvent(object):
diff --git a/pymysqlreplication/packet.py b/pymysqlreplication/packet.py
index df12ddf4..7dc2e1f1 100644
--- a/pymysqlreplication/packet.py
+++ b/pymysqlreplication/packet.py
@@ -2,9 +2,9 @@
 
 import struct
 
-from pymysql.util import byte2int
 
 from pymysqlreplication import constants, event, row_event
+from .util import byte2int
 
 # Constants from PyMYSQL source code
 NULL_COLUMN = 251
diff --git a/pymysqlreplication/row_event.py b/pymysqlreplication/row_event.py
index 88a5b285..43d74484 100644
--- a/pymysqlreplication/row_event.py
+++ b/pymysqlreplication/row_event.py
@@ -4,8 +4,7 @@
 import decimal
 import datetime
 
-from pymysql.util import byte2int
-
+from .util import byte2int
 from .event import BinLogEvent
 from .constants import FIELD_TYPE
 from .constants import BINLOG
diff --git a/pymysqlreplication/util.py b/pymysqlreplication/util.py
new file mode 100644
index 00000000..25100521
--- /dev/null
+++ b/pymysqlreplication/util.py
@@ -0,0 +1,10 @@
+import struct
+
+def byte2int(b):
+    try:
+        return struct.unpack("!B", b)[0]
+    except TypeError: #With python 3 some read return int
+        return b
+
+def int2byte(i):
+    return struct.pack("!B", i)