Merge pull request 'app_image' (#1) from app_image into develop

Reviewed-on: AmourSpirit/zaz-pip#1

source/pythonpath/easymacro.py

@@ -6184,7 +6184,11 @@ class Paths(object):
         elif IS_MAC:
             path = self.join(self.config('Module'), '..', 'Resources', PYTHON)
         else:
-            path = sys.executable
+            is_app_image = bool(os.getenv("APPIMAGE", ""))
+            if is_app_image:
+                path = self.join(self.config("Module"), PYTHON)
+            else:
+                path = sys.executable
         return path
 
     @classmethod