Description: Use "!=" instead of "is not" for value comparisons.
 Python 3.8 warns about a misuse of "is not" that will technically work
 since Python keeps a cache of some predefined objects for e.g. small
 integers, it is still not a good idea to compare integers and string
 literals with "is".
Forwarded: no
Author: Peter Pentchev <roam@ringlet.net>
Last-Update: 2020-02-09

--- a/clint/eng.py
+++ b/clint/eng.py
@@ -41,7 +41,7 @@
 
             collector.append(conj)
 
-        elif left is not 0:
+        elif left != 0:
             collector.append(separator)
 
     return unicode(str().join(collector))
--- a/clint/textui/prompt.py
+++ b/clint/textui/prompt.py
@@ -65,7 +65,7 @@
         validators = [RegexValidator(r'.+')]
 
     # Let's build the prompt
-    if prompt[-1] is not ' ':
+    if prompt[-1] != ' ':
         prompt += ' '
 
     if default: