fixed package install problem

Dockerfile

@@ -1,12 +1,13 @@
 FROM python:3.9-slim-buster
 
-RUN apt-get update && apt-get install -y ffmpeg
-
 WORKDIR /app
 
 COPY requirements.txt .
 
-RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir -r requirements.txt
+
+RUN apt-get update && apt-get install -y ffmpeg
 
 COPY . .
 

requirements.txt

@@ -1,3 +1,3 @@
 gradio==3.23.0
 moviepy==1.0.3
-panads==1.1.3
+pandas==1.1.3