fix a small spelling error

.travis.yml

@@ -7,4 +7,5 @@ python:
 install:
   - pip install -r requirements.txt
 script:
-  - nosetests --verbose test
+  - if [[ $TRAVIS_PYTHON_VERSION != '3.3' ]]; then nosetests --ignore-files=test_extractors --verbose test; fi
+  - if [[ $TRAVIS_PYTHON_VERSION == '3.3' ]]; then nosetests --verbose test; fi

gallery_dl/text.py

@@ -116,5 +116,5 @@ unquote = urllib.parse.unquote
 try:
     unescape = html.unescape
 except AttributeError:
-    import html.parse
+    import html.parser
-    unescape = html.parse.HTMLParser().unescape
+    unescape = html.parser.HTMLParser().unescape