Only store webfinger in cache if returned

daemon.py

@@ -6004,7 +6004,6 @@ class PubServer(BaseHTTPRequestHandler):
                 searchStr = searchStr.replace('+', ' ')
                 searchStr = \
                     urllib.parse.unquote(searchStr.strip())
-                if self.server.debug:
                 print('searchStr: ' + searchStr)
                 if searchForEmoji:
                     searchStr = ':' + searchStr + ':'

webfinger.py

@@ -44,6 +44,8 @@ def parseHandle(handle: str) -> (str, str):
 def webfingerHandle(session, handle: str, httpPrefix: str,
                     cachedWebfingers: {},
                     fromDomain: str, projectVersion: str) -> {}:
+    """
+    """
     if not session:
         print('WARN: No session specified for webfingerHandle')
         return None
@@ -81,6 +83,8 @@ def webfingerHandle(session, handle: str, httpPrefix: str,
         print('params: ' + str(par))
         print(e)
         return None
+
+    if result:
         storeWebfingerInCache(nickname + '@' + wfDomain,
                               result, cachedWebfingers)
     return result

webinterface.py

@@ -5846,7 +5846,6 @@ def htmlProfileAfterSearch(recentPostsCache: {}, maxRecentPosts: int,
                             httpPrefix, wfRequest,
                             domain, projectVersion)
         if not wf:
-            if debug:
             print('DEBUG: Unable to webfinger ' +
                   searchNickname + '@' + searchDomainFull)
             return None
@@ -5878,7 +5877,6 @@ def htmlProfileAfterSearch(recentPostsCache: {}, maxRecentPosts: int,
                 getJson(session, personUrl, asHeader, None,
                         projectVersion, httpPrefix, domain)
         if not profileJson:
-            if debug:
             print('DEBUG: No actor returned from ' + personUrl)
             return None
         avatarUrl = ''