fix: cannot have 'inf' in JSON file (changed to none)

bump version

Author: connorferster

src/pynite_tools/__init__.py

@@ -9,7 +9,7 @@
 - combos: Functions for bulk importing load combinations
 """
 
-__version__ = "0.4.0"
+__version__ = "0.4.1"
 
 from .reports import (
     extract_node_reactions,

src/pynite_tools/reports.py

@@ -510,7 +510,7 @@ def extract_span_envelopes(
                         delta = float(round_to_close_integer(envelope_val))
                         span_length = float(round_to_close_integer(sub_member.L()))
                         if delta == 0:
-                            ratio = float('inf')
+                            ratio = None
                         else:
                             ratio = abs(span_length / delta)
                         span_envelope = {