diff --git a/push-pazans-to-mongo.py b/push-pazans-to-mongo.py
index 202e411..b3ea851 100644
--- a/push-pazans-to-mongo.py
+++ b/push-pazans-to-mongo.py
@@ -23,36 +23,36 @@ ids = set()
 
 idsFile = sys.argv[3]
 if not os.path.isfile(idsFile):
-	idsRegex = re.compile('\\"_id\\": (.+?),')
-	with open(usersJsonFile, "r") as file_name:
-		for line in file_name:
-			groups = idsRegex.search(line)
-			uid = int(groups.group(1))
-			ids.add(uid)
+    idsRegex = re.compile('\\"_id\\": (.+?),')
+    with open(usersJsonFile, "r") as file_name:
+        for line in file_name:
+            groups = idsRegex.search(line)
+            uid = int(groups.group(1))
+            ids.add(uid)
 
-	with open(idsFile, "w") as file_name:
-		for uid in ids:
-			file_name.write(str(uid) + "\n")
+    with open(idsFile, "w") as file_name:
+        for uid in ids:
+            file_name.write(str(uid) + "\n")
 else:
-	with open(idsFile, "r") as f_ids:
-		for line in f_ids:
-			f_ids.add(int(line))
+    with open(idsFile, "r") as f_ids:
+        for line in f_ids:
+            f_ids.add(int(line))
 
 for file_name in os.listdir(dirWithIds):
-	print("parsing {}".format(file_name))
+    print("parsing {}".format(file_name))
 
-	with open(os.path.join(dirWithIds, file_name), "r") as file:
-		for line in file:
-			id = int(line)
-			if id in ids:
-				pazan = pazansCollection.find_one(id)
-				if pazan is None:
-					pazansCollection.insert_one({"_id": id, "groups": [file_name]})
-				elif file_name not in pazan["groups"]:
-					pazan["groups"].append(file_name)
-					pazansCollection.update_one(
-							{"_id": pazan["_id"]},
-							{"$set": {"groups": pazan["groups"]}}
-					)
+    with open(os.path.join(dirWithIds, file_name), "r") as f_out:
+        for line in f_out:
+            uid = int(line)
+            if uid in ids:
+                pazan = pazansCollection.find_one(uid)
+                if pazan is None:
+                    pazansCollection.insert_one({"_id": uid, "groups": [file_name]})
+                elif file_name not in pazan["groups"]:
+                    pazan["groups"].append(file_name)
+                    pazansCollection.update_one(
+                            {"_id": pazan["_id"]},
+                            {"$set": {"groups": pazan["groups"]}}
+                    )
 
-	print("- done")
+    print("- done")