Implement Client.select_group()

lib/nntp/tiny/client.py

@@ -91,6 +91,9 @@ class Client(Connection):
 
             yield line
 
+    def select_group(self, name: str):
+        return self.request('GROUP', name)
+
     def each_newsgroup(self):
         self.request('LIST', 'NEWSGROUPS')
 
@@ -117,8 +120,8 @@ class Client(Connection):
                                          parts[3] == 'y')
 
     def each_newsgroup_message(self, newsgroup: RemoteNewsgroup, msgrange: Optional[MessageRange]):
-        self.request('GROUP', newsgroup.name)
         self.request('OVER',  str(msgrange))
+        self.select_group(newsgroup.name)
 
         for line in self.each_response_line():
             parts = line.split('\t')