Alternate Ubuntu CI fix

.github/workflows/32-bit-linux.yml

@@ -17,7 +17,7 @@ permissions:
 
 jobs:
   pytest:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout
         uses: actions/checkout@v3

.github/workflows/assign.yml

@@ -11,7 +11,7 @@ jobs:
     permissions:
       issues: write
       pull-requests: write
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
     - if: github.event.comment.body == 'take'
       run: |

.github/workflows/asv-bot.yml

@@ -21,7 +21,7 @@ jobs:
     name: "Run benchmarks"
     # TODO: Support more benchmarking options later, against different branches, against self, etc
     if: startsWith(github.event.comment.body, '@github-actions benchmark')
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     defaults:
       run:
         shell: bash -el {0}

.github/workflows/autoupdate-pre-commit-config.yml

@@ -15,7 +15,7 @@ jobs:
       pull-requests: write  # for technote-space/create-pr-action to create a PR
     if: github.repository_owner == 'pandas-dev'
     name: Autoupdate pre-commit config
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Set up Python
         uses: actions/setup-python@v4

.github/workflows/code-checks.yml

@@ -20,7 +20,7 @@ permissions:
 jobs:
   pre_commit:
     name: pre-commit
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     concurrency:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7
       group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-pre-commit
@@ -41,7 +41,7 @@ jobs:
 
   docstring_typing_pylint:
     name: Docstring validation, typing, and pylint
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     defaults:
       run:
         shell: bash -el {0}
@@ -104,7 +104,7 @@ jobs:
 
   asv-benchmarks:
     name: ASV Benchmarks
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     defaults:
       run:
         shell: bash -el {0}
@@ -135,7 +135,7 @@ jobs:
 
   build_docker_dev_environment:
     name: Build Docker Dev Environment
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     defaults:
       run:
         shell: bash -el {0}
@@ -162,7 +162,7 @@ jobs:
 
   requirements-dev-text-installable:
     name: Test install requirements-dev.txt
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     concurrency:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7

.github/workflows/codeql.yml

@@ -10,7 +10,7 @@ concurrency:
 
 jobs:
   analyze:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     permissions:
       actions: read
       contents: read

.github/workflows/docbuild-and-upload.yml

@@ -22,7 +22,7 @@ permissions:
 jobs:
   web_and_docs:
     name: Doc Build and Upload
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     concurrency:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7

.github/workflows/package-checks.yml

@@ -17,7 +17,7 @@ permissions:
 jobs:
   pip:
     if: ${{ github.event.label.name == 'Build' || contains(github.event.pull_request.labels.*.name, 'Build') || github.event_name == 'push'}}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         extra: ["test", "performance", "timezone", "computation", "fss", "aws", "gcp", "excel", "parquet", "feather", "hdf5", "spss", "postgresql", "mysql", "sql-other", "html", "xml", "plot", "output_formatting", "clipboard", "compression", "all"]

.github/workflows/python-dev.yml

@@ -49,7 +49,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, macOS-latest, windows-latest]
+        os: [ubuntu-22.04, macOS-latest, windows-latest]
 
     name: actions-311-dev
     timeout-minutes: 120

.github/workflows/scorecards.yml

@@ -13,7 +13,7 @@ permissions: read-all
 jobs:
   analysis:
     name: Scorecards analysis
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     permissions:
       # Needed to upload the results to code-scanning dashboard.
       security-events: write

.github/workflows/sdist.yml

@@ -19,7 +19,7 @@ permissions:
 jobs:
   build:
     if: ${{ github.event.label.name == 'Build' || contains(github.event.pull_request.labels.*.name, 'Build') || github.event_name == 'push'}}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     timeout-minutes: 60
     defaults:
       run:

.github/workflows/stale-pr.yml

@@ -11,7 +11,7 @@ jobs:
   stale:
     permissions:
       pull-requests: write
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/stale@v4
       with:

.github/workflows/ubuntu.yml

@@ -20,7 +20,7 @@ permissions:
 
 jobs:
   pytest:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     defaults:
       run:
         shell: bash -el {0}

.github/workflows/wheels.yml

@@ -127,7 +127,7 @@ jobs:
       (github.event_name == 'pull_request' &&
       contains(github.event.pull_request.labels.*.name, 'Build')) ||
       (github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v') && ( ! endsWith(github.ref, 'dev0')))
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     env:
       IS_PUSH: ${{ github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v') }}
       IS_SCHEDULE_DISPATCH: ${{ github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' }}

pandas/_libs/tslibs/offsets.pyx

@@ -4132,7 +4132,9 @@ def shift_months(
 
         cnp.broadcast mi = cnp.PyArray_MultiIterNew2(out, dtindex)
 
-    if day_opt not in [None, "start", "end", "business_start", "business_end"]:
+    if day_opt is not None and day_opt not in {
+            "start", "end", "business_start", "business_end"
+    }:
         raise ValueError("day must be None, 'start', 'end', "
                          "'business_start', or 'business_end'")
 

pandas/_libs/tslibs/parsing.pyx

@@ -12,7 +12,6 @@ from cpython.datetime cimport (
     datetime,
     datetime_new,
     import_datetime,
-    tzinfo,
 )
 from cpython.object cimport PyObject_Str
 from cython cimport Py_ssize_t
@@ -44,7 +43,6 @@ from dateutil.relativedelta import relativedelta
 from dateutil.tz import (
     tzlocal as _dateutil_tzlocal,
     tzoffset,
-    tzstr as _dateutil_tzstr,
     tzutc as _dateutil_tzutc,
 )
 
@@ -444,7 +442,7 @@ cdef parse_datetime_string_with_reso(
     try:
         parsed, reso = dateutil_parse(date_string, _DEFAULT_DATETIME,
                                       dayfirst=dayfirst, yearfirst=yearfirst,
-                                      ignoretz=False, tzinfos=None)
+                                      ignoretz=False)
     except (ValueError, OverflowError) as err:
         # TODO: allow raise of errors within instead
         raise DateParseError(err)
@@ -636,7 +634,6 @@ cdef dateutil_parse(
     str timestr,
     object default,
     bint ignoretz=False,
-    object tzinfos=None,
     bint dayfirst=False,
     bint yearfirst=False,
 ):
@@ -645,7 +642,7 @@ cdef dateutil_parse(
     cdef:
         str attr
         datetime ret
-        object res, tzdata
+        object res
         object reso = None
         dict repl = {}
 
@@ -674,24 +671,7 @@ cdef dateutil_parse(
     if res.weekday is not None and not res.day:
         ret = ret + relativedelta.relativedelta(weekday=res.weekday)
     if not ignoretz:
-        if callable(tzinfos) or tzinfos and res.tzname in tzinfos:
-            # Note: as of 1.0 this is not reached because
-            #  we never pass tzinfos, see GH#22234
-            if callable(tzinfos):
-                tzdata = tzinfos(res.tzname, res.tzoffset)
-            else:
-                tzdata = tzinfos.get(res.tzname)
-            if isinstance(tzdata, tzinfo):
-                new_tzinfo = tzdata
-            elif isinstance(tzdata, str):
-                new_tzinfo = _dateutil_tzstr(tzdata)
-            elif isinstance(tzdata, int):
-                new_tzinfo = tzoffset(res.tzname, tzdata)
-            else:
-                raise ValueError("offset must be tzinfo subclass, "
-                                 "tz string, or int offset")
-            ret = ret.replace(tzinfo=new_tzinfo)
-        elif res.tzname and res.tzname in time.tzname:
+        if res.tzname and res.tzname in time.tzname:
             ret = ret.replace(tzinfo=_dateutil_tzlocal())
         elif res.tzoffset == 0:
             ret = ret.replace(tzinfo=_dateutil_tzutc())