Manual fixes to Python file

To see if I like the rules

common/frogarized/frogarized.py

@@ -1,3 +1,8 @@
+#!/usr/bin/env nix-shell
+#! nix-shell -i python3 --pure
+#! nix-shell -p python3 python3Packages.colorspacious python3Packages.numpy
+# vim: filetype=python
+
 import argparse
 import json
 
@@ -90,14 +95,14 @@ if args.polarity == "light":
     frogarized_rgb = np.vstack([frogarized_rgb[7::-1], frogarized_rgb[8:]])
 
 # Output
-palette = dict()
+palette = {}
 for i in range(16):
     rgb = frogarized_rgb[i]
     r, g, b = rgb
-    hex = f"#{r:02x}{g:02x}{b:02x}"
-    palette[f"base{i:02X}"] = hex
+    hexa = f"#{r:02x}{g:02x}{b:02x}"
+    palette[f"base{i:02X}"] = hexa
     if args.output == "truecolor":
-        print(f"\033[48;2;{r};{g};{b}m{hex}\033[0m")  # ]]
+        print(f"\033[48;2;{r};{g};{b}m{hexa}\033[0m")  # ]]
         # treesitter is silly and will consider brackets in strings
         # as indentation, hence the comment above
 if args.output == "json":