Auto-correct for export formats (#16625)

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

ultralytics/engine/exporter.py

@@ -178,6 +178,16 @@ class Exporter:
         if fmt in {"mlmodel", "mlpackage", "mlprogram", "apple", "ios", "coreml"}:  # 'coreml' aliases
             fmt = "coreml"
         fmts = tuple(export_formats()["Argument"][1:])  # available export formats
+        if fmt not in fmts:
+            import difflib
+
+            # Get the closest match if format is invalid
+            matches = difflib.get_close_matches(fmt, fmts, n=1, cutoff=0.6)  # 60% similarity required to match
+            if closest_match:
+                LOGGER.warning(f"WARNING ⚠️ Invalid export format='{fmt}', updating to format='{matches[0]}'")
+                fmt = closest_match[0]
+            else:
+                raise ValueError(f"Invalid export format='{fmt}'. Valid formats are {fmts}")
         flags = [x == fmt for x in fmts]
         if sum(flags) != 1:
             raise ValueError(f"Invalid export format='{fmt}'. Valid formats are {fmts}")