mysql_stats: Expect chromite to be installed. am: ae7bb7e968 am: 59b7df567d
am: 8110343e33

Change-Id: I36686ddc39234f45e919f959e79379e85bd6747b
diff --git a/site_utils/stats/mysql_stats.py b/site_utils/stats/mysql_stats.py
index 3d02248..085272e 100755
--- a/site_utils/stats/mysql_stats.py
+++ b/site_utils/stats/mysql_stats.py
@@ -19,16 +19,10 @@
 import common
 
 from autotest_lib.client.common_lib import global_config
-from autotest_lib.client.common_lib import utils
 from autotest_lib.client.common_lib.cros import retry
 
-try:
-    from chromite.lib import metrics
-    from chromite.lib import ts_mon_config
-except ImportError:
-    metrics = utils.metrics_mock
-    ts_mon_config = utils.metrics_mock
-
+from chromite.lib import metrics
+from chromite.lib import ts_mon_config
 
 AT_DIR='/usr/local/autotest'
 DEFAULT_USER = global_config.global_config.get_config_value(