Lint fix

The `span` field was only ever used to construct a TIR constant with a
known span, wasn't used at any of its callsites.

python/tvm/runtime/object_generic.py

@@ -38,7 +38,7 @@ def asobject(self):
 ObjectTypes = (ObjectBase, NDArrayBase, Module, ObjectRValueRef, PackedFuncBase, PyNativeObject)
 
 
-def convert_to_object(value, span=None):
+def convert_to_object(value):
     """Convert a Python value to corresponding object type.
 
     Type conversions performed by this function must *only* produce
@@ -54,9 +54,6 @@ def convert_to_object(value, span=None):
     value : str
         The value to be inspected.
 
-    span : Optional[Span]
-        The location of this itervar in the source code.
-
     Returns
     -------
     obj : Object
@@ -90,16 +87,13 @@ def convert_to_object(value, span=None):
         raise TypeError(f"don't know how to convert type {type(value)} to object")
 
 
-def convert(value, span=None):
+def convert(value):
     """Convert value to TVM object or function.
 
     Parameters
     ----------
     value : python value
 
-    span : Optional[Span]
-        The location of this statement in the source code.
-
     Returns
     -------
     tvm_val : Object or Function
@@ -111,7 +105,7 @@ def convert(value, span=None):
     the codebase. We can choose one to keep and discard the other one later.
     """
 
-    return convert_to_object(value, span=span)
+    return convert_to_object(value)
 
 
 def _scalar_type_inference(value):