Expanded testing capabilities.

src/submissions/frontend/__init__.py

@@ -34,7 +34,7 @@ class App(QMainWindow):
         # indicate version and database connected in title bar
         try:
             self.title = f"Submissions App (v{ctx['package'].__version__}) - {ctx['database']}"
-        except AttributeError:
+        except (AttributeError, KeyError):
             self.title = f"Submissions App"
         # set initial app position and size
         self.left = 0

src/submissions/frontend/visualizations/control_charts.py

@@ -37,7 +37,7 @@ def create_charts(ctx:dict, df:pd.DataFrame, ytitle:str|None=None) -> Figure:
                 genera.append("")
         except IndexError:
             genera.append("")
-    df['genus'] = df['genus'].replace({'\*':''}, regex=True)
+    df['genus'] = df['genus'].replace({'\*':''}, regex=True).replace({"NaN":"Unknown"})
     df['genera'] = genera
     df = df.dropna()
     # remove original runs, using reruns if applicable