fix(sdk): use explicit return None for consistency in collect()

ravitheja4531-cell · ravitheja4531-cell · commit cbcd0b55bec3 · 2026-05-12T13:25:03.000+05:30
diff --git a/opentelemetry-sdk/src/opentelemetry/sdk/metrics/_internal/export/__init__.py b/opentelemetry-sdk/src/opentelemetry/sdk/metrics/_internal/export/__init__.py
@@ -349,7 +349,7 @@ def collect(self, timeout_millis: float = 10_000) -> bool | None:
             _logger.warning(
                 "Cannot call collect on a MetricReader until it is registered on a MeterProvider"
             )
-            return
+            return None
 
         start_time = perf_counter()
         try:

Original file line number	Diff line number	Diff line change
`@@ -349,7 +349,7 @@ def collect(self, timeout_millis: float = 10_000) -> bool \| None:`
`349`	`349`	`_logger.warning(`
`350`	`350`	`"Cannot call collect on a MetricReader until it is registered on a MeterProvider"`
`351`	`351`	`)`
`352`		`- return`
	`352`	`+ return None`
`353`	`353`
`354`	`354`	`start_time = perf_counter()`
`355`	`355`	`try:`