Update requirements for sentence splitting

requirements.txt

@@ -13,8 +13,9 @@ Pillow
 flask
 tqdm
 inflect
+pysbd
 bokeh==1.4.0
 soundfile
 nose==1.3.7
 cardboardlint==1.3.0
-pylint==2.5.3
+pylint==2.5.3

requirements_tests.txt

@@ -13,7 +13,8 @@ Pillow
 flask
 tqdm
 inflect
+pysbd
 bokeh==1.4.0
 soundfile
 nose==1.3.7
-cardboardlint==1.3.0
+cardboardlint==1.3.0

setup.py

@@ -91,6 +91,7 @@ requirements = {
         "flask",
         "tqdm",
         "inflect",
+        "pysbd",
         "bokeh==1.4.0",
         "soundfile",
         "phonemizer>=2.2.0",
@@ -149,4 +150,4 @@ setup(
 # for some reason having tensorflow in 'install_requires'
 # breaks some of the dependencies.
 for module in requirements['pip_install']:
-    pip_install(module)
+    pip_install(module)