diff --git a/tests/discovery/githubcode.py b/tests/discovery/githubcode.py
index df8b6d28..248e3038 100644
--- a/tests/discovery/githubcode.py
+++ b/tests/discovery/githubcode.py
@@ -1,5 +1,4 @@
 from theHarvester.discovery import githubcode
-from theHarvester.discovery.githubcode import RetryResult, ErrorResult, SuccessResult
 from theHarvester.discovery.constants import MissingKey
 from theHarvester.lib.core import Core
 from unittest.mock import MagicMock
diff --git a/theHarvester/discovery/bufferoverun.py b/theHarvester/discovery/bufferoverun.py
index d2e07d6d..90068b95 100644
--- a/theHarvester/discovery/bufferoverun.py
+++ b/theHarvester/discovery/bufferoverun.py
@@ -16,11 +16,13 @@ async def do_search(self):
         dct = responses
 
         self.totalhosts: set = {
-            host.split(',')[0].replace('www','') if ',' in host and self.word.replace('www.', '') in host.split(',')[0] in host else
+            host.split(',')[0].replace('www', '') if ',' in host and self.word.replace('www.', '') in host.split(',')[
+                0] in host else
             host.split(',')[1] for host in dct['FDNS_A']}
 
-        self.totalips: set = {ip.split(',')[0]for ip in dct['FDNS_A'] if
+        self.totalips: set = {ip.split(',')[0] for ip in dct['FDNS_A'] if
                               re.match(r"^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$", ip.split(',')[0])}
+
     async def get_hostnames(self) -> set:
         return self.totalhosts
 
diff --git a/theHarvester/discovery/certspottersearch.py b/theHarvester/discovery/certspottersearch.py
index 70cc9385..1aa49a5a 100644
--- a/theHarvester/discovery/certspottersearch.py
+++ b/theHarvester/discovery/certspottersearch.py
@@ -35,3 +35,13 @@ async def process(self, proxy=False):
         self.proxy = proxy
         await self.do_search()
         print('\tSearching results.')
+
+async def main():
+    x = SearchCertspoter(word='arrow.com')
+    await x.do_search()
+    hosts = await x.get_hostnames()
+    print(hosts)
+
+if __name__ == '__main__':
+    import asyncio
+    asyncio.run(main())
\ No newline at end of file
diff --git a/theHarvester/discovery/crtsh.py b/theHarvester/discovery/crtsh.py
index 71700276..671e9f94 100644
--- a/theHarvester/discovery/crtsh.py
+++ b/theHarvester/discovery/crtsh.py
@@ -1,5 +1,6 @@
 from theHarvester.lib.core import *
 import aiohttp
+from typing import Set
 
 
 class SearchCrtsh: