ultralytics 8.0.82 docs updates and fixes (#2098)

Co-authored-by: Ayush Chaurasia <ayush.chaurarsia@gmail.com>
Co-authored-by: Aurelio Losquiño Muñoz <38859113+aurelm95@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Paula Derrenger <107626595+pderrenger@users.noreply.github.com>
Co-authored-by: Laughing <61612323+Laughing-q@users.noreply.github.com>

ultralytics/yolo/engine/model.py

@@ -350,7 +350,6 @@ class YOLO:
             if any(kwargs):
                 LOGGER.warning('WARNING ⚠️ using HUB training arguments, ignoring local training arguments.')
             kwargs = self.session.train_args
-            self.session.check_disk_space()
         check_pip_update_available()
         overrides = self.overrides.copy()
         overrides.update(kwargs)

ultralytics/yolo/engine/results.py

@@ -290,9 +290,9 @@ class Results(SimpleClass):
                 line += (conf, ) * save_conf + (() if id is None else (id, ))
                 texts.append(('%g ' * len(line)).rstrip() % line)
 
-        with open(txt_file, 'a') as f:
-            for text in texts:
-                f.write(text + '\n')
+        if texts:
+            with open(txt_file, 'a') as f:
+                f.writelines(text + '\n' for text in texts)
 
     def save_crop(self, save_dir, file_name=Path('im.jpg')):
         """