regression writting DS as nippy in TMD 8.012

[behrica]

Not sure, if this is a bug somewhere.

This is thrown on an existing tablecoth test:
(It worked with TMD 7.xx)

; Actual:
; clojure.lang.ExceptionInfo: Failed to freeze type: class ham_fisted.TreeList {:type ham_fisted.TreeList, :as-str "[#tech.v3.dataset.column<int64>[9]\n:V1\n[1, 2, 1, 2, 1, 2, 1, 2, 1] #tech.v3.dataset.column<int64>[9]\n:V2\n[1, 2, 3, 4, 5, 6, 7, 8, 9] #tech.v3.dataset.column<float64>[9]\n:V3\n[0.5000, 1.000, 1.500, 0.5000, 1.000, 1.500, 0.5000, 1.000, 1.500] #tech.v3.dataset.column<string>[9]\n:V4\n[A, B, C, A, B, C, A, B, C]]"}
;   taoensso.truss$ex_info.invokeStatic(truss.cljc:116)
;   taoensso.truss$ex_info.invoke(truss.cljc:105)
;   taoensso.truss$ex_info_BANG_.invokeStatic(truss.cljc:122)
;   taoensso.truss$ex_info_BANG_.invoke(truss.cljc:118)
;   taoensso.nippy$eval44322$fn__44325.invoke(nippy.clj:1193)
;   taoensso.nippy$eval43802$fn__43814$G__43793__43821.invoke(nippy.clj:591)
;   taoensso.nippy$eval44290$fn__44297$fn__44298$fn__44299.invoke(nippy.clj:1150)
;   taoensso.nippy$eval44290$fn__44297$fn__44298.invoke(nippy.clj:1147)
;   taoensso.nippy$eval44290$fn__44297.invoke(nippy.clj:1147)
;   taoensso.nippy$eval43802$fn__43814$G__43793__43821.invoke(nippy.clj:591)
;   taoensso.nippy$eval43865$fn__43866.invoke(nippy.clj:613)
;   taoensso.nippy$eval43841$fn__43842$G__43832__43849.invoke(nippy.clj:598)
;   taoensso.nippy$freeze$fn__44362$fn__44365.invoke(nippy.clj:1305)
;   taoensso.nippy$freeze$fn__44362.invoke(nippy.clj:1305)
;   taoensso.nippy$call_with_bindings.invokeStatic(nippy.clj:1223)
;   taoensso.nippy$call_with_bindings.invoke(nippy.clj:1219)
;   taoensso.nippy$freeze.invokeStatic(nippy.clj:1289)
;   taoensso.nippy$freeze.invoke(nippy.clj:1278)
;   taoensso.nippy$freeze.invokeStatic(nippy.clj:1281)
;   taoensso.nippy$freeze.invoke(nippy.clj:1278)
;   tech.v3.io.edn$put_nippy_BANG_.invokeStatic(edn.clj:51)
;   tech.v3.io.edn$put_nippy_BANG_.invoke(edn.clj:49)
;   tech.v3.io$put_nippy_BANG_.invokeStatic(io.clj:245)
;   tech.v3.io$put_nippy_BANG_.doInvoke(io.clj:241)
;   tablecloth.api.utils$write_nippy_BANG_.invokeStatic(utils.clj:221)