Added the always_run option in excepthook document page

src/collections/_documentation/platforms/python/default-integrations.md

@@ -23,6 +23,22 @@ This integration registers with the interpreter's except hook system. Through t
 any exception that is unhandled will be reported to Sentry automatically. Exceptions
 raised interactive interpreter sessions will not be reported.
 
+### Options
+
+You can pass the following keyword arguments to `ExcepthookIntegration()`:
+
+* `always_run`:
+
+ ```bash
+ $ python
+ >>> import sentry_sdk
+ >>> from sentry_sdk.integrations.excepthook import ExcepthookIntegration
+ >>> sentry_sdk.init(..., integrations=[ExcepthookIntegration(always_run=True)])
+ >>> raise Exception("I will become an error")
+ ```
+
+ By default, the SDK does not capture errors occuring in the REPL (`always_run=False`).
+
 ## Deduplication
 *Import name: `sentry_sdk.integrations.dedupe.DedupeIntegration`*