fix metadata not being included on first page.
for paginated results, `__twarc` was not being included on the first page of the results.
@@ -444,6 +444,12 @@ class Twarc2:
url = args[0]
+ if self.metadata:
+ page["__twarc"] = {
+ "url": url,
+ "retrieved_at": _utcnow()
+ }
+
yield page
endings = ['mentions', 'tweets', 'following', 'followers']
