feat: add pyflakes and rope to pylsp (#8)

Author: vigneshd332

Dockerfile

@@ -13,7 +13,9 @@ RUN go build -o server
 ## Dev
 FROM build AS dev
 
-RUN apk add --no-cache build-base ccls py3-lsp-server curl openjdk17
+RUN apk add --no-cache build-base ccls py3-lsp-server curl openjdk17 py-pip
+
+RUN pip install pyflakes rope --ignore-installed
 
 WORKDIR /jdt
 RUN curl https://download.eclipse.org/jdtls/milestones/1.9.0/jdt-language-server-1.9.0-202203031534.tar.gz --output jdt.tar.gz
@@ -32,7 +34,9 @@ CMD ["make watch"]
 ## Prod
 FROM alpine:latest AS prod
 
-RUN apk add --no-cache build-base ccls py3-lsp-server curl openjdk17
+RUN apk add --no-cache build-base ccls py3-lsp-server curl openjdk17 py-pip
+
+RUN pip install pyflakes rope --ignore-installed
 
 WORKDIR /jdt
 RUN curl https://download.eclipse.org/jdtls/milestones/1.9.0/jdt-language-server-1.9.0-202203031534.tar.gz --output jdt.tar.gz