Fix python alias

Dockerfile

@@ -2,9 +2,10 @@ FROM ubuntu:22.04
 ENV HOST 0.0.0.0
 RUN apt-get update && apt-get upgrade -y \
     && apt-get install -y git build-essential \
-    python3 python3-pip gcc wget
+    python3 python3-pip gcc wget \
+    && ln -s /usr/bin/python3 /usr/bin/python
 WORKDIR /app
 COPY . .
 RUN pip install --no-cache-dir -r requirements_other.txt
 EXPOSE 7851
-CMD ["python3", "script.py"]
+CMD ["python", "script.py"]