Cleaned up wv_helper.py

* Formatted with autopep8
* Removed unused import typing.Any
* Adding Coding Magic
* Renamed argument input->inp to avoid shadowing python builtin
* Removed unnecessary dummy variable creation

src/wireviz/wv_helper.py

@@ -1,33 +1,37 @@
-from typing import Any, List
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+from typing import List
+
 
 def awg_equiv(mm2):
     awg_equiv_table = {
-                        '0.09': 28,
+        '0.09': 28,
-                        '0.14': 26,
+        '0.14': 26,
-                        '0.25': 24,
+        '0.25': 24,
-                        '0.34': 22,
+        '0.34': 22,
-                        '0.5': 21,
+        '0.5': 21,
-                        '0.75': 20,
+        '0.75': 20,
-                        '1': 18,
+        '1': 18,
-                        '1.5': 16,
+        '1.5': 16,
-                        '2.5': 14,
+        '2.5': 14,
-                        '4': 12,
+        '4': 12,
-                        '6': 10,
+        '6': 10,
-                        '10': 8,
+        '10': 8,
-                        '16': 6,
+        '16': 6,
-                        '25': 4,
+        '25': 4,
-                        '35': 2,
+        '35': 2,
-                        '50': 1,
+        '50': 1,
-                        }
+    }
     k = str(mm2)
     if k in awg_equiv_table:
         return awg_equiv_table[k]
     else:
         return 'unknown'
 
-def nested(input):
+
+def nested(inp):
     l = []
-    for x in input:
+    for x in inp:
         if isinstance(x, list):
             if len(x) > 0:
                 n = nested(x)
@@ -37,25 +41,26 @@ def nested(input):
             if x is not None:
                 if x != '':
                     l.append(str(x))
-    s = '|'.join(l)
+    return '|'.join(l)
-    return s
 
-def int2tuple(input):
+
-    if isinstance(input, tuple):
+def int2tuple(inp):
-        output = input
+    if isinstance(inp, tuple):
+        output = inp
     else:
-        output = (input,)
+        output = (inp,)
     return output
 
-def flatten2d(input):
-    output = [[str(item) if not isinstance(item, List) else ', '.join(item) for item in row] for row in input]
-    return output
 
-def tuplelist2tsv(input, header=None):
+def flatten2d(inp):
+    return [[str(item) if not isinstance(item, List) else ', '.join(item) for item in row] for row in inp]
+
+
+def tuplelist2tsv(inp, header=None):
     output = ''
     if header is not None:
-        input.insert(0, header)
+        inp.insert(0, header)
-    input = flatten2d(input)
+    inp = flatten2d(inp)
-    for row in input:
+    for row in inp:
         output = output + '\t'.join(str(item) for item in row) + '\n'
     return output