Update tests and examples

examples/async-web.py

@@ -1,19 +1,20 @@
 # https://docs.aiohttp.org/en/stable/web_quickstart.html
+import httpx
 from aiohttp import web
 
 import asyncwhois
 
 
 async def whois_handler(request):
-    domain = request.match_info.get('domain', 'google.com')
+    domain = request.match_info.get("domain", "google.com")
     result = await asyncwhois.aio_whois_domain(domain)
     return web.Response(
-        text=f'WhoIs Query Parsed:\n{result.parser_output}\nQuery Output:\n{result.query_output}'
+        text=f"WhoIs Query Parsed:\n{result.parser_output}\nQuery Output:\n{result.query_output}"
     )
 
 
 app = web.Application()
-app.add_routes([web.get('/whois/{domain}', whois_handler)])
+app.add_routes([web.get("/whois/{domain}", whois_handler)])
 web.run_app(app)
 
 #
@@ -23,4 +24,4 @@ async def whois_handler(request):
 # localhost:8080/whois/netflix.com
 # localhost:8080/whois/google.com
 # localhost:8080/whois/pypi.org
-#
+#

examples/authoritative-only.py

@@ -0,0 +1,19 @@
+import asyncwhois
+
+
+def main():
+    domain = "google.com"
+
+    # show the entire query-chain answer
+    result = asyncwhois.whois_domain(domain, authoritative_only=False)  # default
+    print(result.query_output)
+
+    # only show the "authoritative" answer
+    result = asyncwhois.whois_domain(domain, authoritative_only=True)
+    print(result.query_output)
+
+    return
+
+
+if __name__ == "__main__":
+    main()