Revert "Fix for Prompts_from_file showing extra textbox."

This reverts commit e2930f98.

modules/scripts.py

@@ -31,15 +31,6 @@ class Script:
     def show(self, is_img2img):
         return True
 
-
-    # Called when the ui for this script has been shown.
-    # Useful for hiding some controls, since the scripts module sets visibility to
-    # everything to true. The parameters will be the parameters returned by the ui method
-    # The return value should be gradio updates, similar to what you would return
-    # from a Gradio event handler.
-    def on_show(self, *args):
-        return [ui.gr_show(True)] * len(args)
-
     # This is where the additional processing is implemented. The parameters include
     # self, the model object "p" (a StableDiffusionProcessing class, see
     # processing.py), and the parameters returned by the ui method.
@@ -134,35 +125,20 @@ class ScriptRunner:
             inputs += controls
             script.args_to = len(inputs)
 
-        def select_script(*args):
-            script_index = args[0]
-            on_show_updates = []
+        def select_script(script_index):
             if 0 < script_index <= len(self.scripts):
                 script = self.scripts[script_index-1]
                 args_from = script.args_from
                 args_to = script.args_to
-                script_args = args[args_from:args_to]
-                on_show_updates = wrap_call(script.on_show, script.filename, "on_show", *script_args)
-                if (len(on_show_updates) != (args_to - args_from)):
-                    print("Error in custom script (" + script.filename + "): on_show() method should return the same number of arguments as ui().", file=sys.stderr)
             else:
                 args_from = 0
                 args_to = 0
 
-            ret = [ ui.gr_show(True)] # always show the dropdown
-            for i in range(1, len(inputs)):
-                if (args_from <= i < args_to):
-                    if (i - args_from) < len(on_show_updates):
-                        ret.append( on_show_updates[i - args_from] )
-                    else:
-                        ret.append(ui.gr_show(True))
-                else:
-                    ret.append(ui.gr_show(False))
-            return ret
+            return [ui.gr_show(True if i == 0 else args_from <= i < args_to) for i in range(len(inputs))]
 
         dropdown.change(
             fn=select_script,
-            inputs=inputs,
+            inputs=[dropdown],
             outputs=inputs
         )
 
@@ -222,4 +198,4 @@ def reload_scripts(basedir):
     load_scripts(basedir)
 
     scripts_txt2img = ScriptRunner()
-    scripts_img2img = ScriptRunner()
+    scripts_img2img = ScriptRunner()
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