update dockerfile

tools/Dockerfile.centos6.cuda9.0-cudnn7.devel

@@ -39,6 +39,8 @@ RUN yum -y install wget && \
     make clean && \
     echo 'export PATH=/usr/local/python3.6/bin:$PATH' >> /root/.bashrc && \
     echo 'export LD_LIBRARY_PATH=/usr/local/python3.6/lib:$LD_LIBRARY_PATH' >> /root/.bashrc && \
+    pip install requests && \
+    pip3 install requests && \
     source /root/.bashrc && \
     cd .. && rm -rf Python-3.6.8* && \
     yum -y install epel-release && yum -y install patchelf libXext libSM libXrender && \

tools/Dockerfile.centos6.devel

@@ -43,6 +43,8 @@ RUN yum -y install wget && \
     cd .. && rm -rf Python-3.6.8* && \
     yum -y install epel-release && yum -y install patchelf libXext libSM libXrender && \
     yum clean all && \
+    pip install requests && \
+    pip3 install requests && \
     localedef -c -i en_US -f UTF-8 en_US.UTF-8 && \
     echo "export LANG=en_US.utf8" >> /root/.bashrc && \
     echo "export LANGUAGE=en_US.utf8" >> /root/.bashrc

tools/Dockerfile.ci

@@ -23,7 +23,8 @@ RUN wget https://dl.google.com/go/go1.14.linux-amd64.tar.gz >/dev/null \
 RUN yum -y install python-devel sqlite-devel >/dev/null \
     && curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py >/dev/null \
     && python get-pip.py >/dev/null \
-    && rm get-pip.py
+    && rm get-pip.py \
+    && pip install requests  
 
 RUN wget http://nixos.org/releases/patchelf/patchelf-0.10/patchelf-0.10.tar.bz2 \
     && yum -y install bzip2 >/dev/null \
@@ -34,7 +35,8 @@ RUN wget http://nixos.org/releases/patchelf/patchelf-0.10/patchelf-0.10.tar.bz2
     && cd .. \
     && rm -rf patchelf-0.10*
 
-RUN yum install -y python3 python3-devel
+RUN yum install -y python3 python3-devel \
+    && pip3 install requests
 
 RUN yum -y update >/dev/null \
     && yum -y install dnf >/dev/null \