fix to call args type (#225)

Signed-off-by: Mandana Vaziri <[email protected]>

Author: vazirim

src/pdl/pdl-schema.json

@@ -1446,9 +1446,6 @@
             {},
             {
               "$ref": "#/$defs/LocalizedExpression"
-            },
-            {
-              "type": "object"
             }
           ],
           "default": {},

src/pdl/pdl_ast.py

@@ -165,7 +165,7 @@ class CallBlock(Block):
     call: ExpressionType
     """Function to call.
     """
-    args: ExpressionType | dict[str, Any] = {}
+    args: ExpressionType = {}
     """Arguments of the function with their values.
     """
     # Field for internal use

src/pdl/pdl_ast_utils.py

@@ -134,10 +134,7 @@ def map_block_children(f: MappedFunctions, block: BlockType) -> BlockType:
             block.returns = f.f_block(block.returns)
         case CallBlock():
             block.call = f.f_expr(block.call)
-            if isinstance(block.args, dict):
-                block.args = {x: f.f_expr(e) for x, e in block.args.items()}
-            else:
-                block.args = f.f_expr(block.args)
+            block.args = f.f_expr(block.args)
             if block.trace is not None:
                 block.trace = f.f_block(block.trace)
         case BamModelBlock() | LitellmModelBlock():