Fix trailing whitespace

Author: pwolnows

tools/accuracy_checker/accuracy_checker/evaluators/custom_evaluators/openvino_clip_evaluator.py

@@ -41,7 +41,7 @@
 
 try:
     import torch
-    import torch.nn.functional as F    
+    import torch.nn.functional as F
 except ImportError as torch_error:
     torch = UnsupportedPackage("torch", torch_error.msg)