diff --git a/easycloud/core/easycloud.py b/easycloud/core/easycloud.py
index 273169e0f645c59aa9bc5606ab943f5733f882db..fe61781cdcaa2b81f2914bf89a3863e00700293c 100755
--- a/easycloud/core/easycloud.py
+++ b/easycloud/core/easycloud.py
@@ -6,7 +6,7 @@ from easycloud.core.module import Module
 import easycloud.modules
 from easycloud.tui.simpletui import SimpleTUI
 import logging
-from os import environ, sep
+from os
 from pkgutil import iter_modules
 import subprocess
 import sys
@@ -69,11 +69,11 @@ class EasyCloud:
             disclaimer = "\033[34;1mThis is a proof-of-concept build, not suitable\nfor production use.\033[0m\n"
             debug_status = None
             hffr_status = None
-            if "LIBCLOUD_DEBUG" in environ:
+            if "LIBCLOUD_DEBUG" in os.environ:
                 debug_status = "\033[93mLibcloud Debug Mode ON\033[0m"
             else:
                 debug_status = "\033[90mLibcloud Debug Mode OFF\033[0m"
-            if "LIBCLOUD_DEBUG_PRETTY_PRINT_RESPONSE" in environ and environ["LIBCLOUD_DEBUG_PRETTY_PRINT_RESPONSE"] == "1":
+            if "LIBCLOUD_DEBUG_PRETTY_PRINT_RESPONSE" in os.environ and os.environ["LIBCLOUD_DEBUG_PRETTY_PRINT_RESPONSE"] == "1":
                 hffr_status = "\033[93mLibcloud Human friendly formatted response ON\033[0m"
             else:
                 hffr_status = "\033[90mLibcloud Human friendly formatted response OFF\033[0m"
@@ -193,7 +193,7 @@ class EasyCloud:
                 else:
                     SimpleTUI.msg_dialog("Library installer", "There was an error while installing the missing packages\n" +
                                          "for " + module.platform_name + ".\n"
-                                         "Please check " + os.pardir + os.sep + "logs" + sep + "installer.log in the main directory for details.", SimpleTUI.DIALOG_ERROR)
+                                         "Please check " + os.pardir + os.sep + "logs" + os.sep + "installer.log in the main directory for details.", SimpleTUI.DIALOG_ERROR)
                     return False
             return False
         return True
@@ -211,13 +211,13 @@ class EasyCloud:
         """
         subproc = subprocess.Popen([sys.executable, "-m", "pip", "install", "--user"] + pip_libs, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
         try:
-            logfile = open(os.pardir + os.sep + "logs" + sep + "libs_installer.log", "a+")  # open log in append mode
+            logfile = open(os.pardir + os.sep + "logs" + os.sep + "libs_installer.log", "a+")  # open log in append mode
             for line in subproc.stdout:
                 # write the subprocess stdout to the log file
                 logfile.write(line.decode(sys.stdout.encoding))
             logfile.close()
         except IOError as e:
-            logging.error("IO Error while trying to write data on " + os.pardir + os.sep + "logs" + sep + "libs_installer.log: " + str(e))
+            logging.error("IO Error while trying to write data on " + os.pardir + os.sep + "logs" + os.sep + "libs_installer.log: " + str(e))
         subproc.wait()
         if subproc.returncode:  # raise an exception if the installation encountered a problem
             return False