update cloud_config_requirer lib

lib/charms/grafana_cloud_integrator/v0/cloud_config_requirer.py

@@ -6,7 +6,7 @@
 
 LIBID = "e6f580481c1b4388aa4d2cdf412a47fa"
 LIBAPI = 0
-LIBPATCH = 6
+LIBPATCH = 7
 
 DEFAULT_RELATION_NAME = "grafana-cloud-config"
 
@@ -57,7 +57,7 @@ def _on_relation_changed(self, event):
 
     def _on_relation_broken(self, event):
         self.on.cloud_config_revoked.emit()  # pyright: ignore
-    
+
     def _is_not_empty(self, s):
         return bool(s and not s.isspace())
 
@@ -83,16 +83,8 @@ def _events(self):
     @property
     def credentials(self):
         """Return the credentials, if any; otherwise, return None."""
-        if not all(
-            self._is_not_empty(x)
-            for x in [
-                self._data.get("username", ""),
-                self._data.get("password", ""),
-            ]):
-                return Credentials(
-                    self._data.get("username", ""),
-                    self._data.get("password", "")
-                )
+        if (username := self._data.get("username", "").strip()) and (password := self._data.get("password", "").strip()):
+            return Credentials(username, password)
         return None
 
     @property
@@ -124,7 +116,7 @@ def prometheus_endpoint(self) -> dict:
         """Return the prometheus endpoint dict."""
         if not self.prometheus_ready:
             return {}
-        
+
         endpoint = {}
         endpoint["url"] = self.prometheus_url
         if self.credentials:
@@ -148,4 +140,4 @@ def _data(self):
         for relation in self._charm.model.relations[self._relation_name]:
             logger.info("%s %s %s", relation, self._relation_name, relation.data[relation.app])
             return relation.data[relation.app]
-        return {}
+        return {}