Added pre-install doc for G2P and TN modules and updated the dependency version of pypinyin (#2364)

* Added pre-install doc for G2P and TN modules and updated the dependency version of pypinyin, test=doc

docs/requirements.txt

@@ -27,7 +27,7 @@ pattern_singleton
 Pillow>=9.0.0
 praatio==5.0.0
 prettytable
-pypinyin
+pypinyin<=0.44.0
 pypinyin-dict
 python-dateutil
 pyworld==0.2.12

examples/other/g2p/README.md

@@ -9,6 +9,9 @@ We use `WER` as an evaluation criterion.
 Run the command below to get the results of the test.
 
 ```bash
+cd ../../../tools
+bash extras/install_sclite.sh
+cd -
 ./run.sh
 ```
 

examples/other/tn/README.md

@@ -5,6 +5,9 @@ We use `CER` as an evaluation criterion.
 ## Start
 Run the command below to get the results of the test.
 ```bash
+cd ../../../tools
+bash extras/install_sclite.sh
+cd -
 ./run.sh
 ```
 The `avg CER` of text normalization is: 0.00730093543235227

setup.py

@@ -52,7 +52,7 @@ base = [
     "Pillow>=9.0.0",
     "praatio==5.0.0",
     "protobuf>=3.1.0, <=3.20.0",
-    "pypinyin",
+    "pypinyin<=0.44.0",
     "pypinyin-dict",
     "python-dateutil",
     "pyworld==0.2.12",