Fix typo of flash_cache (#7513)

python/sglang/srt/managers/scheduler.py

@@ -2236,8 +2236,8 @@ class Scheduler(
         """In-place update of the weights from disk."""
         success, message = self.tp_worker.update_weights_from_disk(recv_req)
         if success:
-            flash_cache_success = self.flush_cache()
-            assert flash_cache_success, "Cache flush failed after updating weights"
+            flush_cache_success = self.flush_cache()
+            assert flush_cache_success, "Cache flush failed after updating weights"
         else:
             logger.error(message)
         return UpdateWeightFromDiskReqOutput(success, message, 0)
@@ -2254,8 +2254,8 @@ class Scheduler(
         """Update the online model parameter."""
         success, message = self.tp_worker.update_weights_from_distributed(recv_req)
         if success:
-            flash_cache_success = self.flush_cache()
-            assert flash_cache_success, "Cache flush failed after updating weights"
+            flush_cache_success = self.flush_cache()
+            assert flush_cache_success, "Cache flush failed after updating weights"
         else:
             logger.error(message)
         return UpdateWeightsFromDistributedReqOutput(success, message)
@@ -2266,8 +2266,8 @@ class Scheduler(
         # TODO extract common code b/t update_weights_from_distributed and update_weights_from_tensor later
         if success:
             if recv_req.flush_cache:
-                flash_cache_success = self.flush_cache()
-                assert flash_cache_success, "Cache flush failed after updating weights"
+                flush_cache_success = self.flush_cache()
+                assert flush_cache_success, "Cache flush failed after updating weights"
         else:
             logger.error(message)
         barrier(group=self.tp_cpu_group)