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-rwxr-xr-xsynapse/app/homeserver.py13
1 files changed, 5 insertions, 8 deletions
diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index 73ab267e8a..0b85b377e3 100755
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -20,6 +20,7 @@ import sys
 
 from six import iteritems
 
+import psutil
 from prometheus_client import Gauge
 
 from twisted.application import service
@@ -502,7 +503,6 @@ def run(hs):
 
     def performance_stats_init():
         try:
-            import psutil
             process = psutil.Process()
             # Ensure we can fetch both, and make the initial request for cpu_percent
             # so the next request will use this as the initial point.
@@ -510,12 +510,9 @@ def run(hs):
             process.cpu_percent(interval=None)
             logger.info("report_stats can use psutil")
             stats_process.append(process)
-        except (ImportError, AttributeError):
-            logger.warn(
-                "report_stats enabled but psutil is not installed or incorrect version."
-                " Disabling reporting of memory/cpu stats."
-                " Ensuring psutil is available will help matrix.org track performance"
-                " changes across releases."
+        except (AttributeError):
+            logger.warning(
+                "Unable to read memory/cpu stats. Disabling reporting."
             )
 
     def generate_user_daily_visit_stats():
@@ -582,7 +579,7 @@ def run(hs):
         clock.call_later(5 * 60, start_phone_stats_home)
 
     if hs.config.daemonize and hs.config.print_pidfile:
-        print (hs.config.pid_file)
+        print(hs.config.pid_file)
 
     _base.start_reactor(
         "synapse-homeserver",