fix errors

rowers/interactiveplots.py

@@ -5773,14 +5773,13 @@ def interactive_flex_chart2(id, r, promember=0,
             except KeyError:
                 pass
 
-    if len(rowdata) < 2:
-        rowdata = dataprep.getsmallrowdata_db(columns, ids=[id], doclean=True,
-                                              workstrokesonly=False)
-        workstrokesonly = False
-    if len(rowdata) < 2:
-        rowdata = dataprep.getsmallrowdata_db(columns, ids=[id],
-                                              doclean=False,
-                                              workstrokesonly=False)
+    try:
+        if len(rowdata) < 2:
+            rowdata = dataprep.getsmallrowdata_db(columns, ids=[id],
+                                                  doclean=False,
+                                                  workstrokesonly=False)
+            workstrokesonly = False
+    except TypeError:
         workstrokesonly = False
     try:
         _ = rowdata[yparam2]