BLD: numexpr 2.2.2 fixes incompatiblity in PyTables 2.4 (GH4908)

DOC: removes incompat warning

README.md

@@ -96,8 +96,6 @@ pip install pandas
 - [numexpr](http://code.google.com/p/numexpr/)
    - Needed to accelerate some expression evaluation operations
    - Required by PyTables
-   - numexpr version <= 2.1 is recommended as the current version (2.2.1) has a backward
-     incompatible change with PyTables < 3.0
 - [bottleneck](http://berkeleyanalytics.com/bottleneck)
    - Needed to accelerate certain numerical operations
 

doc/source/install.rst

@@ -77,11 +77,6 @@ Recommended Dependencies
   * `numexpr <http://code.google.com/p/numexpr/>`__: for accelerating certain numerical operations.
     ``numexpr`` uses multiple cores as well as smart chunking and caching to achieve large speedups.
 
-    .. warning::
-
-       ``numexpr <= 2.1`` is currently recommended as the current version (2.2.1) has a backward incompatible
-       change with ``PyTables < 3.0.0``
-
   * `bottleneck <http://berkeleyanalytics.com/bottleneck>`__: for accelerating certain types of ``nan``
     evaluations. ``bottleneck`` uses specialized cython routines to achieve large speedups.
 

doc/source/io.rst

@@ -1732,11 +1732,6 @@ for some advanced strategies
    backwards compatible) with all ``PyTables`` >= 2.3. For ``python >= 3.2``,
    ``pandas >= 0.12.0`` is required for compatibility.
 
-.. warning::
-
-   ``numexpr <= 2.1`` is currently recommended as the current version (2.2.1) has a backward incompatible
-   change with ``PyTables < 3.0.0``
-
 .. ipython:: python
    :suppress:
    :okexcept:

doc/source/release.rst

@@ -136,7 +136,7 @@ Improvements to existing features
   - Both ExcelFile and read_excel to accept an xlrd.Book for the io
     (formerly path_or_buf) argument; this requires engine to be set.
     (:issue:`4961`).
-    
+
 API Changes
 ~~~~~~~~~~~
 
@@ -192,6 +192,7 @@ API Changes
     - support ``timedelta64[ns]`` as a serialization type (:issue:`3577`)
     - store `datetime.date` objects as ordinals rather then timetuples to avoid timezone issues (:issue:`2852`),
       thanks @tavistmorph and @numpand
+    - ``numexpr`` 2.2.2 fixes incompatiblity in PyTables 2.4 (:issue:`4908`)
   - ``JSON``
 
     - added ``date_unit`` parameter to specify resolution of timestamps. Options
@@ -483,7 +484,7 @@ Bug Fixes
   - Fixed wrong check for overlapping in ``DatetimeIndex.union`` (:issue:`4564`)
   - Fixed conflict between thousands separator and date parser in csv_parser (:issue:`4678`)
   - Fix appending when dtypes are not the same (error showing mixing float/np.datetime64) (:issue:`4993`)
-  - Fix repr for DateOffset. No longer show duplicate entries in kwds. 
+  - Fix repr for DateOffset. No longer show duplicate entries in kwds.
     Removed unused offset fields. (:issue:`4638`)
 
 pandas 0.12.0