Closed env file on setup

setup.py

@@ -28,7 +28,9 @@ def environment():
     '''Verify the data has been written'''
     print("\nVerifying data..")
     verify = open(".env")
-    if data == verify.read():
+    readData = verify.read()
+    verify.close()
+    if data == readData:
         print("Data written successfully")
         return
     else: