diff --git a/check_monitor_bot.py b/check_monitor_bot.py
index 7b483e8..efe6d5d 100755
--- a/check_monitor_bot.py
+++ b/check_monitor_bot.py
@@ -1,20 +1,24 @@
 #!/usr/bin/env python3
 import argparse
+import re
 import sys
 
 import requests
+from bs4 import BeautifulSoup
 
 from checker import nagios
 
 parser = argparse.ArgumentParser(description='')
-parser.add_argument('--metrics-endpoint', required=True, help='Target URL to scrape.')
+parser.add_argument('--metrics-endpoint', required=True, help='Monitor bot URL to scrape.')
 parser.add_argument('--domain', required=True, help='Our domain.')
 parser.add_argument('--ignore', nargs='*', default=[], help='Ignore these hosts.')
 parser.add_argument('--timeout', type=float, default=90, help='Request timeout limit.')
 parser.add_argument('--warn', type=float, default=20, help='Manually set warn level for response time in seconds.')
 parser.add_argument('--crit', type=float, default=30, help='Manually set critical levelfor response time in seconds.')
-parser.add_argument('--warn-percent', type=int, default=30, help='Manually set warn level for the percentage of hosts that must fail the checks.')
-parser.add_argument('--crit-percent', type=int, default=50, help='Manually set crit level for the percentage of hosts that must fail the checks.')
+parser.add_argument('--warn-percent', type=int, default=30,
+                    help='Manually set warn level for the percentage of hosts that must fail the checks.')
+parser.add_argument('--crit-percent', type=int, default=50,
+                    help='Manually set crit level for the percentage of hosts that must fail the checks.')
 args = parser.parse_args()
 
 
@@ -22,30 +26,30 @@ def make_percent(num: float):
     return int(num * 100)
 
 
-def main():
-    from bs4 import BeautifulSoup
-    import re
+def get_sec(time_str):
+    """Get seconds from time."""
+    h, m, s = time_str.split(':')
+    return int(h) * 3600 + int(m) * 60 + int(s)
 
+
+def ms_to_s(s):
+    min_m = re.match(r'^(\d+)m([\d.]+)s', s)
+    if min_m:
+        return get_sec(f'0:{min_m.group(1)}:{int(float(min_m.group(2)))}')
+    elif s.endswith('ms'):
+        return float('0.' + s.strip('ms'))
+    elif s.endswith('s'):
+        return float(s.strip('ms'))
+
+
+def main():
     # Split the values since icinga will quote the args
     if len(args.ignore) == 1:
         args.ignore = args.ignore[0].strip(' ').split(' ')
 
-    def get_sec(time_str):
-        """Get seconds from time."""
-        h, m, s = time_str.split(':')
-        return int(h) * 3600 + int(m) * 60 + int(s)
-
-    def ms_to_s(s):
-        min_m = re.match(r'^(\d+)m([\d.]+)s', s)
-        if min_m:
-            return get_sec(f'0:{min_m.group(1)}:{int(float(min_m.group(2)))}')
-        elif s.endswith('ms'):
-            return float('0.' + s.strip('ms'))
-        elif s.endswith('s'):
-            return float(s.strip('ms'))
-
     r = requests.get(args.metrics_endpoint)
     if r.status_code != 200:
+        print(f'UNKNOWN: monitor bot endpoint returned a bad status code {r.status_code}')
         sys.exit(nagios.UNKNOWN)
     soup = BeautifulSoup(r.text, 'html.parser')
     tooltips = soup.find_all('span', {'class', 'tooltip'})
@@ -103,7 +107,8 @@ def main():
         if len(crit_failed_hosts) / len(data.keys()) >= (args.crit_percent / 100):
             # CRIT takes precedence
             exit_code = nagios.CRITICAL
-            print(f'CRITICAL: {make_percent(len(crit_failed_hosts) / len(data.keys()))}% of hosts are marked as critical.')
+            print(
+                f'CRITICAL: {make_percent(len(crit_failed_hosts) / len(data.keys()))}% of hosts are marked as critical.')
         elif len(warn_failed_hosts) / len(data.keys()) >= (args.warn_percent / 100):
             exit_code = nagios.WARNING
             print(f'WARN: {make_percent(len(warn_failed_hosts) / len(data.keys()))}% of hosts are marked as warn.')