CachedSession.remove_expired_responses() removed in requests-cache 1.2.0

[silikeite]

Causes a Qt GUI error and prevents the plugin manager GUI from loading.

bpierre Benoit Pierre from AUR suggested this change:

--- i/plover_plugins_manager/requests.py
+++ w/plover_plugins_manager/requests.py
@@ -18,7 +18,7 @@ class CachedSession(CachedSession):
         super().__init__(cache_name=CACHE_NAME,
                          backend='sqlite',
                          expire_after=600)
-        self.remove_expired_responses()
+        self.cache.delete(expired=True)


 class CachedFuturesSession(FuturesSession):