diff --git a/pym/install/install.py b/pym/install/install.py
index 41054b2..d99efb3 100644
--- a/pym/install/install.py
+++ b/pym/install/install.py
@@ -185,20 +185,22 @@ class Install(MethodsInterface):
             pipe = Popen([fdisk_cmd, device_name],
                          stdin=PIPE, stdout=PIPE, stderr=PIPE)
             for part_num in change_active:
-                pipe.stdin.write("a\n%s\n" % part_num)
-            pipe.stdin.write("w\n")
+                write_str = "a\n%s\n" % part_num
+                pipe.stdin.write(write_str.encode("UTF-8"))
+            pipe.stdin.write(b"w\n")
             pipe.stdin.close()
             pipe.wait()
         elif partition_table == "gpt":
             pipe = Popen([gdisk_cmd, device_name],
                          stdin=PIPE, stdout=PIPE, stderr=PIPE)
             if device_partition_count > 1:
-                pipe.stdin.write("x\n")
+                pipe.stdin.write(b"x\n")
                 for part_num in change_active:
-                    pipe.stdin.write("a\n%s\n2\n\n" % part_num)
-                pipe.stdin.write("w\nY\n")
+                    write_str = "a\n%s\n2\n\n" % part_num
+                    pipe.stdin.write(write_str.encode("UTF-8"))
+                pipe.stdin.write(b"w\nY\n")
             else:
-                pipe.stdin.write("x\na\n2\n\nw\nY\n")
+                pipe.stdin.write(b"x\na\n2\n\nw\nY\n")
             pipe.stdin.close()
             pipe.wait()
         for wait_time in (0.1, 0.2, 0.5, 1, 2, 4):
diff --git a/pym/install/migrate_users.py b/pym/install/migrate_users.py
index 6dbddf4..126e2bd 100644
--- a/pym/install/migrate_users.py
+++ b/pym/install/migrate_users.py
@@ -126,13 +126,13 @@ class migrateUsers(_shareData):
         """Get data system users in new system"""
         fileName = pathJoin(self.prefixNewSystem, self.filePasswd)
         return [x for x in self.getData(fileName=fileName) 
-            if self._reNumb.match(x[2]) and (int(x[2] > self.maxId) or int(x[2]) < self.minId)]
+            if self._reNumb.match(x[2]) and (int(x[2]) > self.maxId or int(x[2]) < self.minId)]
 
     def getThisDataSystemUsers(self):
         """Get data system users in this system"""
         fileName = self.filePasswd
         return [x for x in self.getData(fileName=fileName) 
-            if self._reNumb.match(x[2]) and (int(x[2] > self.maxId) or int(x[2]) < self.minId)]
+            if self._reNumb.match(x[2]) and (int(x[2]) > self.maxId or int(x[2]) < self.minId)]
 
     def getNewProcessedData(self, migrateUsers=()):
         """Get processed data migrate users in new system"""