DOC: Fixing several doc warnings (#24430)

Author: datapythonista

doc/source/basics.rst

@@ -374,9 +374,7 @@ To evaluate single-element pandas objects in a boolean context, use the method
 
       >>> df and df2
 
-   These will both raise errors, as you are trying to compare multiple values.
-
-   .. code-block:: python-traceback
+   These will both raise errors, as you are trying to compare multiple values.::
 
        ValueError: The truth value of an array is ambiguous. Use a.empty, a.any() or a.all().
 

doc/source/tutorials.rst

@@ -88,12 +88,12 @@ Video Tutorials
   `GitHub repo <https://github.com/TomAugspurger/pydata-chi-h2t>`__
 * `Data analysis in Python with pandas <https://www.youtube.com/playlist?list=PL5-da3qGB5ICCsgW1MxlZ0Hq8LL5U3u9y>`_
   (2016-2018)
-  `GitHub repo <https://github.com/justmarkham/pandas-videos>`_ and
-  `Jupyter Notebook <http://nbviewer.jupyter.org/github/justmarkham/pandas-videos/blob/master/pandas.ipynb>`_
+  `GitHub repo <https://github.com/justmarkham/pandas-videos>`__ and
+  `Jupyter Notebook <http://nbviewer.jupyter.org/github/justmarkham/pandas-videos/blob/master/pandas.ipynb>`__
 * `Best practices with pandas <https://www.youtube.com/playlist?list=PL5-da3qGB5IBITZj_dYSFqnd_15JgqwA6>`_
   (2018)
-  `GitHub repo <https://github.com/justmarkham/pycon-2018-tutorial>`_ and
-  `Jupyter Notebook <http://nbviewer.jupyter.org/github/justmarkham/pycon-2018-tutorial/blob/master/tutorial.ipynb>`_
+  `GitHub repo <https://github.com/justmarkham/pycon-2018-tutorial>`__ and
+  `Jupyter Notebook <http://nbviewer.jupyter.org/github/justmarkham/pycon-2018-tutorial/blob/master/tutorial.ipynb>`__
 
 
 Various Tutorials

doc/source/whatsnew/v0.13.0.rst

@@ -690,7 +690,7 @@ Enhancements
 
   .. ipython:: python
 
-    ser = Series([1, 3, np.nan, np.nan, np.nan, 11])
+    ser = pd.Series([1, 3, np.nan, np.nan, np.nan, 11])
     ser.interpolate(limit=2)
 
 - Added ``wide_to_long`` panel data convenience function. See :ref:`the docs<reshaping.melt>`.
@@ -706,7 +706,7 @@ Enhancements
                       })
     df["id"] = df.index
     df
-    wide_to_long(df, ["A", "B"], i="id", j="year")
+    pd.wide_to_long(df, ["A", "B"], i="id", j="year")
 
 .. _scipy: http://www.scipy.org
 .. _documentation: http://docs.scipy.org/doc/scipy/reference/interpolate.html#univariate-interpolation

doc/source/whatsnew/v0.13.1.rst

@@ -88,7 +88,7 @@ Output Formatting Enhancements
 
   Previously output might look like:
 
-  ..   oode-block:: text
+  ..   code-block:: text
 
         age                 today               diff
       0 2001-01-01 00:00:00 2013-04-19 00:00:00 4491 days, 00:00:00

doc/source/whatsnew/v0.14.1.rst

@@ -122,6 +122,7 @@ Enhancements
   pytz timezones across pandas. (:issue:`4688`)
 
   .. ipython:: python
+
      rng = pd.date_range('3/6/2012 00:00', periods=10, freq='D',
                          tz='dateutil/Europe/London')
      rng.tz

doc/source/whatsnew/v0.15.0.rst

@@ -316,6 +316,7 @@ Timezone handling improvements
   previously this resulted in ``Exception`` or ``TypeError`` (:issue:`7812`)
 
   .. ipython:: python
+     :okwarning:
 
      ts = Timestamp('2014-08-01 09:00', tz='US/Eastern')
      ts

doc/source/whatsnew/v0.20.0.rst

@@ -189,6 +189,7 @@ URLs and paths are now inferred using their file extensions. Additionally,
 support for bz2 compression in the python 2 C-engine improved (:issue:`14874`).
 
 .. ipython:: python
+   :okwarning:
 
    url = ('https://github.com/{repo}/raw/{branch}/{path}'
           .format(repo='pandas-dev/pandas',