remove ignoring of DeprecationWarnings

pyproject.toml

@@ -91,7 +91,7 @@ metadata.version.provider = "scikit_build_core.metadata.setuptools_scm"
 minversion = "6.0"
 addopts = ["-ra", "--showlocals", "--strict-markers", "--strict-config"]
 xfail_strict = true
-filterwarnings = ["error", "ignore::DeprecationWarning"]
+filterwarnings = "error"
 log_cli_level = "info"
 testpaths = "tests"
 

src/pyg4ometry/fluka/fluka_registry.py

@@ -2,8 +2,6 @@
 from collections import OrderedDict as _OrderedDict
 from collections.abc import MutableMapping as _MutableMapping
 
-from itertools import count as _count
-
 import numpy as _np
 import pandas as _pd
 import pyg4ometry.geant4 as _g4
@@ -566,9 +564,8 @@ class RotoTranslationStore(_MutableMapping):
 
     def __init__(self):
         self._nameMap = _OrderedDict()
-        # internal infinite counter generating new unique
-        # transformation indices.
-        self._counter = _count(start=2000, step=1000)
+        # internal counter generating new unique transformation indices.
+        self._counter = 2000
 
     def __getitem__(self, name):
         return self._nameMap[name]
@@ -603,7 +600,8 @@ def addRotoTranslation(self, rtrans):
             # adding of RotoTranslations easier.
             recur = _RecursiveRotoTranslation(name, [rtrans])
             if not rtrans.transformationIndex:
-                recur.transformationIndex = next(self._counter)
+                recur.transformationIndex = self._counter
+                self._counter += 1000
             elif rtrans.transformationIndex in self.allTransformationIndices():
                 msg = "transformation index matches another ROT-DEFI with a different name.  Change the transformationIndex and try again."
                 raise KeyError(msg)

src/pyg4ometry/fluka/preprocessor.py

@@ -227,7 +227,7 @@ def visit_UnaryOp(self, node):
         return op(operand)
 
     def visit_Constant(self, node):
-        return node.n
+        return node.value
 
     def visit_Name(self, node):
         name = node.id