fixup! Add type checks

09b76f3f · Philipp Arras · 98ce7e00 · 09b76f3f
Commit 09b76f3f authored Jan 13, 2019 by Philipp Arras
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nifty5/library/dynamic_operator.py nifty5/library/dynamic_operator.py +2 -1

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--- a/nifty5/library/dynamic_operator.py
+++ b/nifty5/library/dynamic_operator.py
@@ -57,7 +57,8 @@ def _make_dynamic_operator(domain,
    causal, minimum_phase = bool(causal), bool(minimum_phase)
    if sigc is not None:
        sigc = _float_or_listoffloat(sigc)
-    quant = float(quant)
+    if quant is not None:
+        quant = float(quant)
    if cone and (sigc is None or quant is None):
        raise RuntimeError