add check for TypeDispatch just in case

Author: RensDimmendaal

nbdev/showdoc.py

@@ -190,6 +190,7 @@ def show_doc(sym,  # Symbol to document
         p,m = renderer.rsplit('.', 1)
         renderer = getattr(import_module(p), m)
     if isinstance(sym, Function): pass
+    elif isinstance_str(sym, "TypeDispatch"): pass  # use _str as TypeDispatch will be removed from fastcore
     else:return renderer(sym or show_doc, name=name, title_level=title_level)
 
 # %% ../nbs/api/08_showdoc.ipynb

nbs/api/08_showdoc.ipynb

@@ -649,6 +649,7 @@
     "        p,m = renderer.rsplit('.', 1)\n",
     "        renderer = getattr(import_module(p), m)\n",
     "    if isinstance(sym, Function): pass\n",
+    "    elif isinstance_str(sym, \"TypeDispatch\"): pass  # use _str as TypeDispatch will be removed from fastcore\n",
     "    else:return renderer(sym or show_doc, name=name, title_level=title_level)"
    ]
   },