`ultralytics 8.3.14` update TensorRT `dynamic` inference (#16953)

Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

ultralytics/__init__.py

@@ -1,6 +1,6 @@
 # Ultralytics YOLO 🚀, AGPL-3.0 license
 
-__version__ = "8.3.13"
+__version__ = "8.3.14"
 
 import os
 

ultralytics/cfg/__init__.py

@@ -1,6 +1,5 @@
 # Ultralytics YOLO 🚀, AGPL-3.0 license
 
-import contextlib
 import shutil
 import subprocess
 import sys

ultralytics/nn/autobackend.py

@@ -501,7 +501,7 @@ class AutoBackend(nn.Module):
 
         # TensorRT
         elif self.engine:
-            if self.dynamic or im.shape != self.bindings["images"].shape:
+            if self.dynamic and im.shape != self.bindings["images"].shape:
                 if self.is_trt10:
                     self.context.set_input_shape("images", im.shape)
                     self.bindings["images"] = self.bindings["images"]._replace(shape=im.shape)