fix Zygote Irrational errors

mohamed82008 · mohamed82008 · commit 0c0302cda2e1 · 2020-02-15T20:39:54.000+11:00
diff --git a/src/common.jl b/src/common.jl
@@ -1,5 +1,7 @@
 ## Generic ##
 
+Base.one(::Irrational) = 1
+
 function Base.fill(
     value::TrackedReal,
     dims::Vararg{Union{Integer, AbstractUnitRange}},
