diff --git a/requests/utils.py b/requests/utils.py
index 528e7c90..7b7ff0a7 100644
--- a/requests/utils.py
+++ b/requests/utils.py
@@ -634,14 +634,11 @@ def except_on_missing_scheme(url):
 def get_auth_from_url(url):
     """Given a url with authentication components, extract them into a tuple of
     username,password."""
-    if url:
-        parsed = urlparse(url)
+    parsed = urlparse(url)
 
-        try:
-            auth = (unquote(parsed.username), unquote(parsed.password))
-        except (AttributeError, TypeError):
-            auth = ('', '')
-    else:
+    try:
+        auth = (unquote(parsed.username), unquote(parsed.password))
+    except (AttributeError, TypeError):
         auth = ('', '')
 
     return auth