Interpolate DynamicPPL.check_dot_tilde_rhs into macro

Author: penelopeysm

src/compiler.jl

@@ -519,7 +519,7 @@ Generate the expression that replaces `left .~ right` in the model body.
 function generate_dot_tilde(left, right)
     @gensym dist left_axes idx
     return quote
-        $dist = DynamicPPL.check_dot_tilde_rhs($right)
+        $dist = $(DynamicPPL.check_dot_tilde_rhs)($right)
         $left_axes = axes($left)
         for $idx in Iterators.product($left_axes...)
             $left[$idx...] ~ $dist