PyCharm Code Inspect fixes for Solutions and Examples (#18393)

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

ultralytics/solutions/solutions.py

@@ -56,6 +56,14 @@ class BaseSolution:
         self.Polygon = Polygon
         self.Point = Point
         self.prep = prep
+        self.annotator = None  # Initialize annotator
+        self.tracks = None
+        self.track_data = None
+        self.boxes = []
+        self.clss = []
+        self.track_ids = []
+        self.track_line = None
+        self.r_s = None
 
         # Load config and update with args
         DEFAULT_SOL_DICT.update(kwargs)