set alpha_num in class Color from data

pywal/export.py

@@ -77,6 +77,7 @@ def flatten_colors(colors):
                   "alpha": colors["alpha"],
                   **colors["special"],
                   **colors["colors"]}
+    util.Color.alpha_num = all_colors["alpha"]
     return {k: util.Color(v) for k, v in all_colors.items()}
 
 

pywal/theme.py

@@ -82,7 +82,7 @@ def parse(theme_file):
         data["wallpaper"] = "None"
 
     if "alpha" not in data:
-        data["alpha"] = util.Color.alpha_num
+        data["alpha"] = "100"
 
     # Terminal.sexy format.
     if "color" in data:

pywal/util.py

@@ -14,7 +14,6 @@ import sys
 
 class Color:
     """Color formats."""
-    alpha_num = "100"
 
     def __init__(self, hex_color):
         self.hex_color = hex_color