[zip-] fix loading and extracting files from url zip files #2127

Regression occured in a1affe7

visidata/loaders/archive.py

@@ -64,11 +64,11 @@ class ZipSheet(Sheet):
     def openZipFile(self, fp, *args, **kwargs):
         '''Use VisiData input to handle password-protected zip files.'''
         try:
-            return fp.open(*args, **kwargs)
+            return fp._open(*args, **kwargs)
         except RuntimeError as err:
             if 'password required' in err.args[0]:
                 pwd = vd.input(f'{args[0].filename} is encrypted, enter password: ', display=False)
-                return fp.open(*args, **kwargs, pwd=pwd.encode('utf-8'))
+                return fp._open(*args, **kwargs, pwd=pwd.encode('utf-8'))
             vd.exceptionCaught(err)
 
     def openRow(self, row):

visidata/loaders/unzip_http.py

@@ -186,7 +186,7 @@ def extract(self, member, path=None, pwd=None):
 
             outpath = path/member
             os.makedirs(outpath.parent, exist_ok=True)
-            with self.open(member) as fpin:
+            with self._open(member) as fpin:
                 with open(path/member, mode='wb') as fpout:
                     while True:
                         r = fpin.read(65536)