Install python3-pytest-cov

Author: bstaletic

.github/workflows/ci.yml

@@ -276,7 +276,7 @@ jobs:
     - uses: actions/checkout@v2
 
     - name: Add wget and python3
-      run: apt-get update && apt-get install -y python3-dev python3-numpy python3-pytest libeigen3-dev
+      run: apt-get update && apt-get install -y python3-dev python3-numpy python3-pytest libeigen3-dev python3-pytest-cov
 
     - name: Configure
       shell: bash
@@ -311,7 +311,7 @@ jobs:
 
     # tzdata will try to ask for the timezone, so set the DEBIAN_FRONTEND
     - name: Install 🐍 3
-      run: apt-get update && DEBIAN_FRONTEND="noninteractive" apt-get install -y cmake git python3-dev python3-pytest python3-numpy
+      run: apt-get update && DEBIAN_FRONTEND="noninteractive" apt-get install -y cmake git python3-dev python3-pytest python3-numpy python3-pytest-cov
 
     - name: Configure
       run: cmake -S . -B build -DPYBIND11_CUDA_TESTS=ON -DPYBIND11_WERROR=ON -DDOWNLOAD_CATCH=ON
@@ -334,7 +334,7 @@ jobs:
 #    - uses: actions/checkout@v2
 #
 #    - name: Add Python 3 and a few requirements
-#      run: yum update -y && yum install -y git python3-devel python3-numpy python3-pytest make environment-modules
+#      run: yum update -y && yum install -y git python3-devel python3-numpy python3-pytest make environment-modules python3-pytest-cov
 #
 #    - name: Install CMake with pip
 #      run: |
@@ -438,7 +438,7 @@ jobs:
     - uses: actions/checkout@v1
 
     - name: Add Python 3
-      run: apt-get update; apt-get install -y python3-dev python3-numpy python3-pytest python3-pip libeigen3-dev
+      run: apt-get update; apt-get install -y python3-dev python3-numpy python3-pytest python3-pip libeigen3-dev python3-pytest-cov
 
     - name: Update pip
       run: python3 -m pip install --upgrade pip