Fix for MAXH2O-96.

config.txt

@@ -6,6 +6,6 @@
     },
     "deviceName": "flowmonitor",
     "driverId": "0140",
-    "releaseVersion": "9",
+    "releaseVersion": "10",
     "driverFileName": "flow-monitor.py"
 }

flow-monitor.py

@@ -133,7 +133,7 @@ class start(threading.Thread, deviceBase):
         self.GPM_IGNORE_LIMIT = 1.0
 
         self.daemon = True
-        self.version = "8"
+        self.version = "10"
         self.finished = threading.Event()
         threading.Thread.start(self)
 
@@ -235,8 +235,9 @@ class start(threading.Thread, deviceBase):
 
         try:
             self.GPM_IGNORE_LIMIT = PERSIST['gpm_ignore_limit']
-        except KeyError:
+        except Exception:
             print("no persisted GPM Ignore Limit. Using default of {}".format(self.GPM_IGNORE_LIMIT))
+            self.flowmonitor_setgpmignorelimit("gpm_ignore_limit", self.GPM_IGNORE_LIMIT)
 
         # on bootup, if the day has changed, clear the totalizers.
         # this would happen if the device is off when the time changes to Midnight.
@@ -253,7 +254,7 @@ class start(threading.Thread, deviceBase):
 
                 din1_val = 1 if mcu_status['din1'] == 'On' else 0  # Check DIGITAL INPUT 1 for run status
                 gpm_val = scale(cloop_val, self.RAW_MIN, self.RAW_MAX, self.GPM_MIN, self.GPM_MAX)
-                if gpm_val < GPM_IGNORE_LIMIT:
+                if gpm_val < self.GPM_IGNORE_LIMIT:
                     gpm_val = 0
 
                 bpd_val = (gpm_val / gal_per_bbl) * 60.0 * 24.0  # Computes BPD from GPM