fix: graalpy issue with pattern matching (#1078)

* fix: graalpy issue with pattern matching

Signed-off-by: Henry Schreiner <henryfs@princeton.edu>

* ci: correct the name of graalpy

Signed-off-by: Henry Schreiner <henryfs@princeton.edu>

---------

Signed-off-by: Henry Schreiner <henryfs@princeton.edu>

Author: henryiii

.github/workflows/tests.yml

@@ -119,6 +119,8 @@ jobs:
             only: cp312-macosx_arm64
           - os: windows-11-arm
             only: cp311-win_arm64
+          - os: ubuntu-latest
+            only: gp311_242-manylinux_x86_64
 
     steps:
       - uses: actions/checkout@v6

pyproject.toml

@@ -51,7 +51,7 @@ classifiers = [
     "Typing :: Typed",
 ]
 dependencies = [
-    "numpy",
+    "numpy>=1.21.3",
 ]
 
 [project.urls]
@@ -76,7 +76,7 @@ docs = [
     "ipython",
     "myst_parser>=0.13",
     "nbsphinx",
-    "numpy",
+    "numpy>=1.21.3",
     "sphinx-book-theme>=0.0.33",
     "sphinx>=4.0",
     "sphinx_copybutton",
@@ -94,7 +94,7 @@ test = [
     "pytest-benchmark",
     "pytest>=6.0",
     "pytest-benchmark",
-    "numpy",
+    "numpy>=1.21.3",
     "hypothesis>=6.0; sys_platform != 'ios'", # slow on iOS, can fail health check
     "pytest-xdist; sys_platform != 'ios'",  # No processes on iOS
 ]

src/boost_histogram/histogram.py

@@ -1087,6 +1087,15 @@ def _handle_slice(
 
         merge = 1
         match step:
+            case x if x is sum:  # https://github.com/oracle/graalpython/issues/620
+                integrations.add(i)
+                if start is not None or stop is not None:
+                    slices.append(
+                        _core.algorithm.slice(
+                            i, start_int, stop_int, _core.algorithm.slice_mode.crop
+                        )
+                    )
+                return reduced, slices, integrations
             case None:
                 pass
             case object(factor=x) if x is not None:
@@ -1096,19 +1105,7 @@ def _handle_slice(
             case object(group_mapping=x) if (tmp_groups := x(self.axes[i])) is not None:
                 groups = tmp_groups
             case x if callable(x):
-                if x is sum:
-                    integrations.add(i)
-                else:
-                    raise NotImplementedError
-
-                if start is not None or stop is not None:
-                    slices.append(
-                        _core.algorithm.slice(
-                            i, start_int, stop_int, _core.algorithm.slice_mode.crop
-                        )
-                    )
-                if len(groups) == 0:
-                    return reduced, slices, integrations
+                raise NotImplementedError
             case _:
                 msg = "The third argument to a slice must be rebin or projection"
                 raise IndexError(msg)