[selector] remove empty runs

run_selector.py

@@ -119,6 +119,12 @@ class RunSelector:
                 time,
             )
 
+        for i, run in enumerate(self.runs):
+            if len(self.nums[run]) == 0:
+                print(f"[WARNING] No snapshot found for run {run}")
+                del self.runs[i]
+                del self.nums[run]
+
     def select(
         self,
         runs=None,