Turn on graph tf optimize grappler dependency

Signed-off-by: Deyu Huang <[email protected]>

Author: hwangdeyu

tf2onnx/tf_loader.py

@@ -684,7 +684,7 @@ def tf_optimize_grappler(input_names, output_names, graph_def):
     # depends on so for now don't turn this on, constfold is always enabled now.
     rewrite_options.optimizers[:] = [
         # 'pruning', 'constfold', 'arithmetic', 'dependency', 'function',
-        'constfold', 'function'
+        'constfold', 'function', 'dependency'
     ]
 
     if Version(tf.__version__) >= Version("2.5"):
@@ -771,8 +771,8 @@ def toposort(data):
         try:
             func = function_def_to_graph(fdef, input_shapes=input_shapes)
         except:  # pylint: disable=bare-except
-            # if there is a missmatch between caller and function use the functions shape
-            logger.warning("shape missmatch between caller and function: %s", k)
+            # if there is a mismatch between caller and function use the functions shape
+            logger.warning("shape mismatch between caller and function: %s", k)
             func = function_def_to_graph(fdef)
         _FUNCTIONS[k] = func
         _, _, _, _, _, tfunctions = tflist_to_onnx(func, {})