Python: Fix linting issues

The following Flake8 issues were fixed:

* W291
* W504

* F821
* F401
* F541

* E402
* E711

70_Poetry/python/poetry.py

@@ -12,10 +12,10 @@ Ported by Dave LeCompte
 # state. This adaptation pulls things apart into phrases, but I have
 # left the variables as globals, which makes goes against decades of
 # wisdom that global state is bad.
+import random
 
 PAGE_WIDTH = 64
 
-import random
 
 # globals
 u = 0