feat: allow float inputs to accept integers

Pydantic automatically casts ints to floats.

invokeai/app/services/graph.py

@@ -112,6 +112,10 @@ def are_connection_types_compatible(from_type: Any, to_type: Any) -> bool:
         if to_type in get_args(from_type):
             return True
 
+        # allow int -> float, pydantic will cast for us
+        if from_type is int and to_type is float:
+            return True
+
         # if not issubclass(from_type, to_type):
         if not is_union_subtype(from_type, to_type):
             return False

invokeai/frontend/web/src/features/nodes/hooks/useIsValidConnection.ts

@@ -120,12 +120,15 @@ export const useIsValidConnection = () => {
         const isCollectionToGenericCollection =
           targetType === 'Collection' && COLLECTION_TYPES.includes(sourceType);
 
+        const isIntToFloat = sourceType === 'integer' && targetType === 'float';
+
         return (
           isCollectionItemToNonCollection ||
           isNonCollectionToCollectionItem ||
           isAnythingToPolymorphicOfSameBaseType ||
           isGenericCollectionToAnyCollectionOrPolymorphic ||
-          isCollectionToGenericCollection
+          isCollectionToGenericCollection ||
+          isIntToFloat
         );
       }
 

invokeai/frontend/web/src/features/nodes/store/util/makeIsConnectionValidSelector.ts

@@ -113,13 +113,16 @@ export const makeConnectionErrorSelector = (
       const isCollectionToGenericCollection =
         targetType === 'Collection' && COLLECTION_TYPES.includes(sourceType);
 
+      const isIntToFloat = sourceType === 'integer' && targetType === 'float';
+
       if (
         !(
           isCollectionItemToNonCollection ||
           isNonCollectionToCollectionItem ||
           isAnythingToPolymorphicOfSameBaseType ||
           isGenericCollectionToAnyCollectionOrPolymorphic ||
-          isCollectionToGenericCollection
+          isCollectionToGenericCollection ||
+          isIntToFloat
         )
       ) {
         return 'Field types must match';