[bugfix] Fix file/url detection for Windows

Bug: T284886
Change-Id: I9fe198da009cdac45b75e69953369b2a2fbed054
---
M pywikibot/pagegenerators.py
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pywikibot/pagegenerators.py b/pywikibot/pagegenerators.py
index 9c59f70..5be66b9 100644
--- a/pywikibot/pagegenerators.py
+++ b/pywikibot/pagegenerators.py
@@ -1598,7 +1598,7 @@
     if site is None:
         site = pywikibot.Site()
     # If source cannot be parsed as an HTTP URL, treat as local file
-    if not urlparse(source).scheme:
+    if not urlparse(source).netloc:
         with codecs.open(source, 'r', config.textfile_encoding) as f:
             yield from _yield_titles(f, site)
     # Else, fetch page (page should return text in same format as that expected

