Changed jython URL to use https to avoid redirect

Author: jima80525

concurrency-overview/io_asyncio.py

@@ -20,7 +20,7 @@ async def download_all_sites(sites):
 
 if __name__ == "__main__":
     sites = [
-        "http://www.jython.org",
+        "https://www.jython.org",
         "http://olympus.realpython.org/dice",
     ] * 80
     start_time = time.time()

concurrency-overview/io_mp.py

@@ -25,7 +25,7 @@ def download_all_sites(sites):
 
 if __name__ == "__main__":
     sites = [
-        "http://www.jython.org",
+        "https://www.jython.org",
         "http://olympus.realpython.org/dice",
     ] * 80
     start_time = time.time()

concurrency-overview/io_non_concurrent.py

@@ -16,7 +16,7 @@ def download_all_sites(sites):
 
 if __name__ == "__main__":
     sites = [
-        "http://www.jython.org",
+        "https://www.jython.org",
         "http://olympus.realpython.org/dice",
     ] * 80
     start_time = time.time()

concurrency-overview/io_threading.py

@@ -27,7 +27,7 @@ def download_all_sites(sites):
 
 if __name__ == "__main__":
     sites = [
-        "http://www.jython.org",
+        "https://www.jython.org",
         "http://olympus.realpython.org/dice",
     ] * 80
     start_time = time.time()