allow specifying 0 days

vulnwhisp/frameworks/nessus.py

@@ -129,7 +129,7 @@ class NessusAPI(object):
 
     def get_scans(self, days=None):
         parameters = {}
-        if days:
+        if days != None:
             parameters = {
                 "last_modification_date": (datetime.now() - timedelta(days=days)).strftime("%s")
             }

vulnwhisp/frameworks/qualys_vm.py

@@ -44,7 +44,7 @@ class qualysWhisperAPI(object):
         return pd.DataFrame(all_records)
 
     def get_all_scans(self, days=None):
-        if not days:
+        if days == None:
             self.launched_date = '0001-01-01'
         else:
             self.launched_date = (datetime.now() - timedelta(days=days)).strftime('%Y-%m-%d')

vulnwhisp/frameworks/qualys_was.py

@@ -109,7 +109,7 @@ class qualysWhisperAPI(object):
 
 
     def get_all_scans(self, limit=1000, offset=1, status='FINISHED', days=None):
-        if not days:
+        if days == None:
             self.launched_date = '0001-01-01'
         else:
             self.launched_date = (datetime.now() - timedelta(days=days)).strftime('%Y-%m-%d')