Remove future.standard_library

This library no longer exists in Python 3.12

It looks like it isn't even needed in Python 2.7 to use pickle
and redirecting_html.py should go away (but fixed it anyway).

docs/source/sphinxext/redirecting_html.py

@@ -1,9 +1,9 @@
 from __future__ import unicode_literals
-from future import standard_library
-standard_library.install_aliases()
 from docutils import nodes
-import urllib.parse
-
+try:
+    from urllib.parse import urlparse
+except ImportError:
+    from urlparse import urlparse
 from sphinx.builders.html import StandaloneHTMLBuilder
 
 class RedirectingHTMLBuilder(StandaloneHTMLBuilder):
@@ -17,7 +17,7 @@ def write_doc(self, docname, doctree):
         for node in doctree.traverse(nodes.reference):
             try:
                 uri = node['refuri']
-                uri = urllib.parse.urlparse(uri)
+                uri = urlparse(uri)
                 if uri.scheme in ["http", "https"]:
                     if not uri.netloc.endswith("nist.gov"):
                         node['refuri'] = "/cgi-bin/redirect.py?url=" + uri.geturl()

fipy/tools/dump.py

@@ -1,6 +1,4 @@
 from __future__ import unicode_literals
-from future import standard_library
-standard_library.install_aliases()
 __docformat__ = 'restructuredtext'
 
 import io