Check dependencies on setup in the nicer way. (#5989)

1 files changed, 5 insertions, 7 deletions

diff --git a/synapse/config/metrics.py b/synapse/config/metrics.py

index 653b990e67..9eb1e55ddb 100644
--- a/synapse/config/metrics.py
+++ b/synapse/config/metrics.py
@@ -16,11 +16,9 @@
 
 import attr
 
-from ._base import Config, ConfigError
+from synapse.python_dependencies import DependencyException, check_requirements
 
-MISSING_SENTRY = """Missing sentry-sdk library. This is required to enable sentry
-    integration.
-    """
+from ._base import Config, ConfigError
 
 
 @attr.s
@@ -51,9 +49,9 @@ class MetricsConfig(Config):
         self.sentry_enabled = "sentry" in config
         if self.sentry_enabled:
             try:
-                import sentry_sdk  # noqa F401
-            except ImportError:
-                raise ConfigError(MISSING_SENTRY)
+                check_requirements("sentry")
+            except DependencyException as e:
+                raise ConfigError(e.message)
 
             self.sentry_dsn = config["sentry"].get("dsn")
             if not self.sentry_dsn: