Merge pull request #1103 from Jackwaterveg/setup

[Setup]move pypi-kenlm from install requirements to develop requirements

setup.py

@@ -46,7 +46,6 @@ requirements = {
         "paddleaudio",
         "paddlespeech_feat",
         "praatio~=4.1",
-        "pypi-kenlm",
         "pypinyin",
         "python-dateutil",
         "pyworld",
@@ -71,6 +70,7 @@ requirements = {
         "phkit",
         "Pillow",
         "pybind11",
+        "pypi-kenlm",
         "snakeviz",
         "sox",
         "soxbindings",