BUG: error: may be used uninitialized. In alpine

[NikSays]

• [ x ] I have checked that this issue has not already been reported. (Not as a separate issue)

• [ x ] I have confirmed this bug exists on the latest version of pandas.

• (optional) I have confirmed this bug exists on the master branch of pandas.

---

Problem description

In an alpine contarner, running pip3 install pandas=1.1.0,
results in error:

'__pyx_v_year' may be used uninitialized in this function`
     7787 |             __pyx_v_year = (__pyx_v_year - 1);
          |             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
    cc1: all warnings being treated as errors
    error: command 'gcc' failed with exit status 1

Expected Output

Successful install

[bashtage]

Which file was being compiled?

[bashtage]

parsing.c

*/
          __pyx_t_1 = ((__pyx_v_month > __pyx_v_mnum) != 0);
          if (__pyx_t_1) {

            /* "pandas/_libs/tslibs/parsing.pyx":452
 *                 month = (mnum + (quarter - 1) * 3) % 12 + 1
 *                 if month > mnum:
 *                     year -= 1             # <<<<<<<<<<<<<<
 *             else:
 *                 month = (quarter - 1) * 3 + 1
 */
            __pyx_v_year = (__pyx_v_year - 1);

            /* "pandas/_libs/tslibs/parsing.pyx":451
 * 
 *                 month = (mnum + (quarter - 1) * 3) % 12 + 1
 *                 if month > mnum:             # <<<<<<<<<<<<<<
 *                     year -= 1
 *             else:
 */

[bashtage]

This is a suprious warning in the sense that the uninitialized year cannot be hit. This said, it is free to initialize it above.

[biswabandhu21]

Hi ,

Is the issue fixed I am still getting the error , when trying to install pandas in docker .

version : pandas-1.1.1

[jreback]

1.2

[biswabandhu21]

when is the latest version released. The latest version shows as 1.1.1
Refered to following link
https://pandas.pydata.org/

[jreback]

1.2 is not released yet

[adriantorrie]

For anyone else running into this, we just pinned pandas==1.0.5 and it installed successfully.