Resolve "timit dataset not complete"

src/corpora/timit.jl

@@ -230,6 +230,7 @@ function timit_prepare(timitdir, dir; audio_fmt="SPHERE")
 
     # Create the output directory.
     dir = mkpath(dir)
+    rm(joinpath(dir, "recordings.jsonl"), force=true)
 
     for (subset, subdir) in [("train", "train"), ("dev", "train"), ("test", "test")]
         sdir = joinpath(timitdir, subdir)
@@ -238,7 +239,7 @@ function timit_prepare(timitdir, dir; audio_fmt="SPHERE")
         manifestpath = joinpath(dir, "recordings.jsonl")
         @debug "preparing $manifestpath"
         recordings = timit_recordings(sdir; fmt=audio_fmt)
-        open(manifestpath, "w") do f
+        open(manifestpath, "a") do f
             writemanifest(f, recordings)
         end