Fix whitespace

Don't mix tabs and spaces!

lms/templates/footer.html

@@ -55,40 +55,39 @@
 
       ## Site operators: Please do not remove this paragraph! This attributes back to edX and makes your acknowledgement of edX's trademarks clear.
       <p class="copyright">
-	## Translators: 'EdX', 'edX', and 'Open edX' are trademarks of 'edX Inc.'. Please do not translate any of these trademarks and company names.
-	${_("EdX, Open edX, and the edX and Open edX logos are registered trademarks or trademarks of {link_start}edX Inc.{link_end}").format(
-	    link_start=u"<a href='https://www.edx.org/'>",
-	    link_end=u"</a>"
-	)}
+        ## Translators: 'EdX', 'edX', and 'Open edX' are trademarks of 'edX Inc.'. Please do not translate any of these trademarks and company names.
+        ${_("EdX, Open edX, and the edX and Open edX logos are registered trademarks or trademarks of {link_start}edX Inc.{link_end}").format(
+            link_start=u"<a href='https://www.edx.org/'>",
+            link_end=u"</a>"
+        )}
       </p>
-        <nav class="nav-legal" aria-label="${_('Legal')}">
-          <ul>
-	    %if marketing_link('HONOR') and marketing_link('HONOR') != '#':
-            <li class="nav-legal-01">
-	      <%
-		 tos_link = u"<a href='{}'>".format(marketing_link('TOS'))
-		 honor_link = u"<a href='{}'>".format(marketing_link('HONOR'))
-	      %>
-	      ${
-	        _("{tos_link_start}Terms of Service{tos_link_end} and {honor_link_start}Honor Code{honor_link_end}").format(
-	          tos_link_start=tos_link,
-	          tos_link_end="</a>",
-	          honor_link_start=honor_link,
-	          honor_link_end="</a>",
-                )
-	      }
-              </a>
-            </li>
-	    %else:
-            <li class="nav-legal-01">
-              <a href="${marketing_link('TOS')}">${_("Terms of Service")}</a>
-            </li>
-	    %endif
-            <li class="nav-legal-02">
-              <a href="${marketing_link('PRIVACY')}">${_("Privacy Policy")}</a>
-            </li>
-          </ul>
-        </nav>
+      <nav class="nav-legal" aria-label="${_('Legal')}">
+        <ul>
+        % if marketing_link('HONOR') and marketing_link('HONOR') != '#':
+          <li class="nav-legal-01">
+            <%
+              tos_link = u"<a href='{}'>".format(marketing_link('TOS'))
+              honor_link = u"<a href='{}'>".format(marketing_link('HONOR'))
+            %>
+            ${
+              _("{tos_link_start}Terms of Service{tos_link_end} and {honor_link_start}Honor Code{honor_link_end}").format(
+                tos_link_start=tos_link,
+                tos_link_end="</a>",
+                honor_link_start=honor_link,
+                honor_link_end="</a>",
+              )
+            }
+          </li>
+        % else:
+          <li class="nav-legal-01">
+            <a href="${marketing_link('TOS')}">${_("Terms of Service")}</a>
+          </li>
+        % endif
+          <li class="nav-legal-02">
+            <a href="${marketing_link('PRIVACY')}">${_("Privacy Policy")}</a>
+          </li>
+        </ul>
+      </nav>
     </div>
 
     ## please leave this link and use one of the logos provided
@@ -96,7 +95,7 @@
       <p>
         <a href="http://openedx.org/">
           ## standard powered-by logo
-	  ## Translators: 'Open edX' is a brand, please keep this untranslated. See http://openedx.org for more information.
+          ## Translators: 'Open edX' is a brand, please keep this untranslated. See http://openedx.org for more information.
           <img src="https://files.edx.org/openedx-logos/edx-openedx-logo-tag.png" alt="${_('Powered by Open edX')}" width="150" height="50" />
           ## greyscale logo for dark background
           ## <img src="https://files.edx.org/openedx-logos/edx-openedx-logo-tag-light.png" alt="${_('Powered by Open edX')}" width="150" height="50" />