Stop throwing for missing pythonista modules

Author: M4nw3l

wkapp.py

@@ -9,7 +9,8 @@
     #pythonista specific libraries
     import ui
 except:
-    raise Exception("Pythonista 3 is required.")
+	  pass
+    #raise Exception("Pythonista 3 is required.")
 
 import inspect
 import os

wkwebview.py

@@ -22,7 +22,8 @@
     from objc_util import *
     import ui, console, webbrowser
 except:
-    raise Exception("Pythonista 3 is required.")
+    pass    
+		#raise Exception("Pythonista 3 is required.")
 
 import queue, weakref, ctypes, functools, time, os, json, re, sys
 from types import SimpleNamespace