Commit 1 of 2, code refactor and cleanup.

src/fenrirscreenreader/utils/line_utils.py

@@ -5,7 +5,6 @@
 # By Chrys, Storm Dragon, and contributers.
 
 from fenrirscreenreader.core import debug
-from collections import Counter
 
 def getPrevLine(currX,currY, currText):
     endOfScreen = False

src/fenrirscreenreader/utils/screen_utils.py

@@ -76,7 +76,7 @@ def getShell():
     except:
         pass
     try:
-        if os.acess('/etc/passwd'):
+        if os.access('/etc/passwd', os.R_OK):
             with open('/etc/passwd') as f:
                 users = f.readlines()
                 for user in users: