fix: Fix mypy errors from flag removal - add type annotations and fix query param type

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: wedamija

src/sentry/api/endpoints/organization_events_vitals.py

@@ -58,7 +58,7 @@ def get(self, request: Request, organization: Organization) -> Response:
         with handle_query_errors():
             events_results = discover.query(
                 selected_columns=selected_columns,
-                query=request.GET.get("query"),
+                query=request.GET.get("query", ""),
                 snuba_params=snuba_params,
                 # Results should only ever have 1 result
                 limit=1,

tests/snuba/api/endpoints/test_organization_events_mep.py

@@ -58,7 +58,7 @@ class OrganizationEventsMetricsEnhancedPerformanceEndpointTest(MetricsEnhancedPe
     def setUp(self) -> None:
         super().setUp()
         self.transaction_data = load_data("transaction", timestamp=before_now(minutes=1))
-        self.features = {}
+        self.features: dict[str, bool] = {}
 
     def do_request(self, query, features=None):
         if features is None:

tests/snuba/api/endpoints/test_organization_events_stats_mep.py

@@ -39,7 +39,7 @@ def setUp(self) -> None:
             "sentry-api-0-organization-events-stats",
             kwargs={"organization_id_or_slug": self.project.organization.slug},
         )
-        self.features = {}
+        self.features: dict[str, bool] = {}
 
         self.additional_params: dict[str, Any] = dict()
 

tests/snuba/api/endpoints/test_organization_events_vitals.py

@@ -308,7 +308,7 @@ def setUp(self) -> None:
             "start": self.start.isoformat(),
             "end": self.end.isoformat(),
         }
-        self.features = {}
+        self.features: dict[str, bool] = {}
 
     def do_request(self, query=None, features=None):
         if features is None:

tests/snuba/api/endpoints/test_organization_metrics_meta.py

@@ -12,7 +12,7 @@ def setUp(self) -> None:
         super().setUp()
         self.min_ago = before_now(minutes=1)
         self.two_min_ago = before_now(minutes=2)
-        self.features = {}
+        self.features: dict[str, bool] = {}
         self.login_as(user=self.user)
         # Don't create any txn on this, don't set its DS rules, it shouldn't show up anywhere
         self.bad_project = self.create_project()
@@ -124,7 +124,7 @@ def setUp(self) -> None:
         super().setUp()
         self.min_ago = before_now(minutes=1)
         self.two_min_ago = before_now(minutes=2)
-        self.features = {}
+        self.features: dict[str, bool] = {}
         self.login_as(user=self.user)
         # Don't create any txn on this, don't set its DS rules, it shouldn't show up anywhere
         self.create_project()