diff --git a/lib/charms/grafana_k8s/v0/grafana_dashboard.py b/lib/charms/grafana_k8s/v0/grafana_dashboard.py
index 1d550c9..de8715b 100644
--- a/lib/charms/grafana_k8s/v0/grafana_dashboard.py
+++ b/lib/charms/grafana_k8s/v0/grafana_dashboard.py
@@ -219,7 +219,7 @@ def __init__(self, *args):
 # Increment this PATCH version before using `charmcraft publish-lib` or reset
 # to 0 if you are raising the major API version
 
-LIBPATCH = 33
+LIBPATCH = 34
 
 logger = logging.getLogger(__name__)
 
@@ -790,7 +790,7 @@ def _inject_labels(content: str, topology: dict, transformer: "CosTool") -> str:
 
     # We need to use an index so we can insert the changed element back later
     for panel_idx, panel in enumerate(panels):
-        if type(panel) is not dict:
+        if not isinstance(panel, dict):
             continue
 
         # Use the index to insert it back in the same location
@@ -835,7 +835,7 @@ def _modify_panel(panel: dict, topology: dict, transformer: "CosTool") -> dict:
             if panel["datasource"] not in known_datasources:
                 continue
             querytype = known_datasources[panel["datasource"]]
-        elif type(panel["datasource"]) == dict:
+        elif isinstance(panel["datasource"], dict):
             if panel["datasource"]["uid"] not in known_datasources:
                 continue
             querytype = known_datasources[panel["datasource"]["uid"]]