diff --git a/data/scripts/migrator/dbsmerge_mongo.py b/data/scripts/migrator/dbsmerge_mongo.py
index 7d983a0c1..316048985 100755
--- a/data/scripts/migrator/dbsmerge_mongo.py
+++ b/data/scripts/migrator/dbsmerge_mongo.py
@@ -6,6 +6,15 @@
 #   ^ the script will "move" the collections if source and target server are the same
 #     but will "copy" (dump/restore) if source and target servers are different
 
+import os
+import shutil
+import subprocess
+import sys
+from collections import OrderedDict
+from urllib import quote_plus
+
+from pymongo import MongoClient
+
 from_host    = '127.0.0.1'
 from_port    = '27017'
 from_db      = '11'
@@ -31,11 +40,6 @@ drop_target = False
 
 dump_folder = 'dump'
 
-import sys
-from pymongo import MongoClient
-from urllib import quote_plus
-from collections import OrderedDict
-
 # same server
 if from_host == to_host and from_port == to_port:
         print('Migrating on same server...')
@@ -68,10 +72,6 @@ if from_host == to_host and from_port == to_port:
 
 # different servers
 else:
-    import subprocess
-    import os
-    import shutil
-
     print('Migrating between different servers...')
     print('Dumping...')
     out = subprocess.check_output([
diff --git a/data/scripts/migrator/dbsmerge_redis.py b/data/scripts/migrator/dbsmerge_redis.py
index 9faf01ea3..f68a465a2 100755
--- a/data/scripts/migrator/dbsmerge_redis.py
+++ b/data/scripts/migrator/dbsmerge_redis.py
@@ -8,6 +8,10 @@
 # behaviour:
 #   ^ the script will not overwrite keys on the destination server/database
 
+import time
+
+import redis
+
 from_host   = '127.0.0.1'
 from_port   = 6379
 from_db     = 11
@@ -21,9 +25,6 @@ to_pass     = ''  # Not used
 keymask     = '*'
 timeout     = 2000
 
-import time
-import redis
-
 from_redis = redis.Redis(host = from_host, port = from_port, password=from_pass, db = from_db)
 to_redis = redis.Redis(host = to_host, port = to_port, db = to_db)
 
diff --git a/data/scripts/migrator/usage_mysql.py b/data/scripts/migrator/usage_mysql.py
index 66f20ad5d..75e6b334d 100755
--- a/data/scripts/migrator/usage_mysql.py
+++ b/data/scripts/migrator/usage_mysql.py
@@ -3,14 +3,14 @@
 # depends:
 #   ^ mysql (debian: python-mysql.connector)
 
+import mysql.connector
+
 host = '127.0.0.1'
 port = 3306
 database = 'cgrates'
 user = 'root'
 password = 'CGRateS.org'
 
-import mysql.connector
-
 config = {
   'user':               user,
   'password':           password,
diff --git a/data/scripts/migrator/usage_postgres.py b/data/scripts/migrator/usage_postgres.py
index 621321f8a..f9aa7816f 100644
--- a/data/scripts/migrator/usage_postgres.py
+++ b/data/scripts/migrator/usage_postgres.py
@@ -3,14 +3,14 @@
 # depends:
 #   ^ psycopg2 (debian: python-psycopg2)
 
+import psycopg2
+
 host = '127.0.0.1'
 port = 5432
 database = 'cgrates'
 user = 'cgrates'
 password = 'CGRateS.org'
 
-import psycopg2
-
 print('Connecting to PostgreSQL...')
 cnx = psycopg2.connect(
     host=host,