Update src/betterproto/__init__.py

Co-authored-by: Arun Babu Neelicattu <[email protected]>
danielgtaylor · Apr 22, 2022 · 9e88585 · 9e88585
1 parent 0f7307c
commit 9e88585
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/betterproto/__init__.py b/src/betterproto/__init__.py
@@ -467,7 +467,7 @@ def _dump_float(value: float) -> Union[float, str]:
         return INFINITY
     if value == -float("inf"):
         return NEG_INFINITY
-    if math.isnan(value):
+    if isinstance(value, float) and math.isnan(value):
         return NAN
     return value