Fixed syntax errors

.travis.yml

@@ -188,24 +188,28 @@ before_install:
       export SWIG_LIB=$HOME/swig/share/swig/3.0.7;
       pip install cython;
     fi
-  - if [[ "${TRAVIS_CPU_ARCH}" == "ppc64le" ]]; then
+  - if [[ "${TRAVIS_CPU_ARCH}" == "ppc64le" || "${TRAVIS_CPU_ARCH}" == "arm64" ]]; then
       sudo apt-get install swig;
+      pip install cython;
+    fi
+  #- if [[ "${TRAVIS_CPU_ARCH}" == "ppc64le" ]]; then
+  #    sudo apt-get install libpcre3;
   #    wget https://anaconda.org/conda-forge/swig/4.0.1/download/linux-ppc64le/swig-4.0.1-hb209c28_0.tar.bz2;
   #    mkdir $HOME/swig;
   #    tar -xjvf swig-4.0.1-hb209c28_0.tar.bz2 -C $HOME/swig;
   #    export PATH=$HOME/swig/bin:$PATH;
   #    export SWIG_LIB=$HOME/swig/share/swig/4.0.1;
-      pip install cython;
-    fi
-  - if [[ "${TRAVIS_CPU_ARCH}" == "arm64" ]]; then
-      sudo apt-get install swig;
+  #    pip install cython;
+  #  fi
+  #- if [[ "${TRAVIS_CPU_ARCH}" == "arm64" ]]; then
+  #    sudo apt-get install libpcre3;
   #    wget https://anaconda.org/conda-forge/swig/4.0.1/download/linux-aarch64/swig-4.0.1-he1b5a44_0.tar.bz2;
   #    mkdir $HOME/swig;
   #    tar -xjvf swig-4.0.1-he1b5a44_0.tar.bz2 -C $HOME/swig;
   #    export PATH=$HOME/swig/bin:$PATH;
   #    export SWIG_LIB=$HOME/swig/share/swig/4.0.1;
-      pip install cython;
-    fi
+  #    pip install cython;
+  #  fi
   - if [[ "$OPENCL" == "false" && "$CUDA" == "false" && "$TRAVIS_OS_NAME" == "osx" ]]; then
       wget http://anaconda.org/omnia/swig/3.0.7/download/osx-64/swig-3.0.7-0.tar.bz2;
       mkdir $HOME/swig;