gnu: Add python-sentencepiece.

* gnu/packages/machine-learning.scm (python-sentencepiece): New variable.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu/packages/machine-learning.scm

@@ -611,6 +611,25 @@ (define-public sentencepiece
 depend on language-specific pre- or post-processing.")
     (license license:asl2.0)))
 
+(define-public python-sentencepiece
+  (package
+    (name "python-sentencepiece")
+    (version "0.1.97")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "sentencepiece" version))
+       (sha256
+        (base32 "0v0z9ryl66432zajp099bcbnwkkldzlpjvgnjv9bq2vi19g300f9"))))
+    (build-system python-build-system)
+    (native-inputs (list pkg-config))
+    (propagated-inputs (list sentencepiece))
+    (home-page "https://github.com/google/sentencepiece")
+    (synopsis "SentencePiece python wrapper")
+    (description "This package provides a Python wrapper for the SentencePiece
+unsupervised text tokenizer.")
+    (license license:asl2.0)))
+
 (define-public shogun
   (package
     (name "shogun")