Issue 187

tests/test_issues.py

@@ -183,3 +183,8 @@ def test_geant4(self):
     #     assert a1[0]._fArray.shape == (108400,)
     #     a2 = t["MRawEvtData.fHiGainPixId"].array(t["MRawEvtData.fHiGainPixId"].interpretation.speedbump(False))
     #     assert a2[0]._fArray.shape == (1084,)
+
+    def test_issue187(self):
+        t = uproot.open("tests/samples/issue187.root")["fTreeV0"]
+        assert (t.array("fMultiplicity") == -1).all()
+        assert t.array("V0s.fEtaPos")[-3].tolist() == [-0.390625, 0.046875]

uproot/interp/numerical.py

@@ -248,6 +248,10 @@ def todtypeflat(self):
     def todims(self):
         return self._todims
 
+    @property
+    def itemsize(self):
+        return 4
+
     def __repr__(self):
         args = [repr(self.low), repr(self.high), repr(self.numbits)]
 

uproot/version.py

@@ -30,7 +30,7 @@
 
 import re
 
-__version__ = "3.2.12"
+__version__ = "3.2.13"
 version = __version__
 version_info = tuple(re.split(r"[-\.]", __version__))