fix: convert DEV_MODE to int, mention in contributing.md (#82)

* fix: convert DEV_MODE to int, mention in contributing.md

* fix: explicit version file [skip ci]

Author: ydcjeff

CONTRIBUTING.md

@@ -55,6 +55,14 @@ To develop and test Code-Generator:
 - [templates](https://github.com/pytorch-ignite/code-generator/tree/master/templates) - Directory containing ML/DL Templates
 - [tests](https://github.com/pytorch-ignite/code-generator/tree/master/tests) - Directory containing test related files
 
+When developing the app and new templates, run the app in dev mode:
+
+```sh
+DEV_MODE=1 streamlit run app/streamlit_app.py
+```
+
+This allows to run and debug the generated templates from the `dist` folder.
+
 > TIP
 >
 > If you are adding a new template, use Single Model, Singe Optimizer Template from

app/streamlit_app.py

@@ -7,8 +7,7 @@
 from codegen import CodeGenerator
 from utils import import_from_file
 
-__version__ = "0.1.0"
-DEV_MODE = os.getenv("DEV_MODE", 0) == 1
+DEV_MODE = int(os.getenv("DEV_MODE", 0)) == 1
 
 FOLDER_TO_TEMPLATE_NAME = {
     "Image Classification": "image_classification",

version.txt

@@ -0,0 +1 @@
+0.1.0