@@ -530,7 +530,7 @@ def pack_value(self, val):
             if self.type.check_value is not None:
                 val = [self.type.check_value(v) for v in val]
             data = array(struct_to_array_codes[self.type.structcode],
-                               val).tostring()
+                               val).tobytes()
         else:
             data = []
             for v in val:
@@ -627,7 +627,7 @@ def parse_binary_value(self, data, display, length, format):
             ret = None
 
         elif format == 8:
-            ret = (8, str(data[:length]))
+            ret = (8, data[:length].decode())
             data = data[length + ((4 - length % 4) % 4):]
 
         elif format == 16:
@@ -662,7 +662,7 @@ def pack_value(self, value):
                 val = list(val)
 
             size = fmt // 8
-            data = array(array_unsigned_codes[size], val).tostring()
+            data = array(array_unsigned_codes[size], val).tobytes()
             dlen = len(val)
 
         dl = len(data)
@@ -783,7 +783,7 @@ def pack_value(self, value):
             for i in range(len(v), keycodes):
                 a.append(X.NoSymbol)
 
-        return a.tostring(), len(value), keycodes
+        return a.tobytes(), len(value), keycodes
 
 
 class ModifierMapping(ValueField):
@@ -814,7 +814,7 @@ def pack_value(self, value):
             for i in range(len(v), keycodes):
                 a.append(0)
 
-        return a.tostring(), len(value), keycodes
+        return a.tobytes(), len(value), keycodes
 
 class EventField(ValueField):
     structcode = None
 
@@ -28,8 +28,14 @@ def __getitem__(self, key):
     def __getattr__(self, attr):
         return getattr(self.array, attr)
 
-    def __cmp__(self, other):
-        return cmp(self.array.tolist(), other)
+    def __lt__(self, other):
+        return self.array.tolist() < other
+
+    def __gt__(self, other):
+        return self.array.tolist() > other
+
+    def __eq__(self, other):
+        return self.array.tolist() == other
 
 rq.array = CmpArray
 
 
@@ -37,8 +37,14 @@ def __getitem__(self, key):
     def __getattr__(self, attr):
         return getattr(self.array, attr)
 
-    def __cmp__(self, other):
-        return cmp(self.array.tolist(), other)
+    def __lt__(self, other):
+        return self.array.tolist() < other
+
+    def __gt__(self, other):
+        return self.array.tolist() > other
+
+    def __eq__(self, other):
+        return self.array.tolist() == other
 
 rq.array = CmpArray