Remove RuntimeValue arrays

lib/galaxy/tools/parameters/basic.py

@@ -1670,7 +1670,6 @@ class BaseDataToolParameter( ToolParameter ):
         self.is_dynamic = self.options is not None
 
     def to_json( self, value, app ):
-
         def single_to_json( value ):
             src = None
             if isinstance( value, galaxy.model.DatasetCollectionElement ):
@@ -1680,7 +1679,6 @@ class BaseDataToolParameter( ToolParameter ):
             else:
                 src = 'hda'
             return { 'id' : app.security.encode_id( value.id ), 'src' : src }
-
         if value is not None:
             if isinstance( value, list ) and len( value ) > 0:
                 values = [ single_to_json( v ) for v in value ]

lib/galaxy/workflow/modules.py

@@ -1141,19 +1141,10 @@ class ToolModule( WorkflowModule ):
             input_connections_by_name = {}
         # Any connected input needs to have value RuntimeValue (these
         # are not persisted so we need to do it every time)
-
         def callback( input, prefixed_name, **kwargs ):
-            replacement = None
-            if isinstance( input, DataToolParameter ):
+            if isinstance( input, DataToolParameter ) or isinstance( input, DataCollectionToolParameter ):
                 if connections is None or prefixed_name in input_connections_by_name:
-                    if input.multiple:
-                        replacement = [] if not connections else [RuntimeValue() for conn in connections]
-                    else:
-                        replacement = RuntimeValue()
-            elif isinstance( input, DataCollectionToolParameter ):
-                if connections is None or prefixed_name in input_connections_by_name:
-                    replacement = RuntimeValue()
-            return replacement
+                    return RuntimeValue()
 
         visit_input_values( self.tool.inputs, self.state.inputs, callback )