correct code error

sql/slowlog.py

@@ -10,7 +10,7 @@
 from pyecharts.charts import Line
 from pyecharts import options as opts
 from common.utils.chart_dao import ChartDao
-from pymysql import escape_string
+import pymysql
 
 from sql.utils.resource_group import user_instances
 from common.utils.extend_json_encoder import ExtendJSONEncoder
@@ -207,7 +207,7 @@ def slowquery_review_history(request):
 def report(request):
     """返回慢SQL历史趋势"""
     checksum = request.GET.get("checksum")
-    checksum = pymysql.escape_string(checksum).decode("utf-8")
+    checksum = pymysql.escape_string(checksum)
     cnt_data = ChartDao().slow_query_review_history_by_cnt(checksum)
     pct_data = ChartDao().slow_query_review_history_by_pct_95_time(checksum)
     cnt_x_data = [row[1] for row in cnt_data["rows"]]