Fix hashbangs to python3 (#37)

* Fix hashbangs to python3

* bump version

* fix failing test

.travis/py3.docker

@@ -2,7 +2,9 @@ FROM kernsuite/base:5
 
 RUN docker-apt-install libblitz0-dev python3-dev libblas-dev liblapack-dev libqdbm-dev wcslib-dev \
  libfftw3-dev python3-numpy libcfitsio-dev libboost-all-dev libboost-system-dev cmake g++ wget gfortran \
- libncurses5-dev libsofa1-dev bison libbison-dev flex libreadline6-dev python3-pip
+ libncurses5-dev libsofa1-dev bison libbison-dev flex libreadline6-dev python3-pip python3-pyqt4 python3-pyqt5
+
+RUN pip3 install -U pip setuptools wheel
 
 # casacore wheels no longer work and we need python 3 support, so build from source
 #####################################################################
@@ -14,7 +16,6 @@ RUN wget https://github.com/casacore/casacore/archive/v3.3.0.tar.gz
 RUN tar xvf v3.3.0.tar.gz
 RUN mkdir casacore-3.3.0/build
 WORKDIR /src/casacore-3.3.0/build
-RUN echo hello
 RUN cmake -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Release -DBUILD_DEPRECATED=ON -DBUILD_PYTHON3=ON -DBUILD_PYTHON=OFF ../
 RUN make -j 4
 RUN make install

Purr/Plugins/local_pychart/theme.py

@@ -224,7 +224,7 @@ def get_options(argv=None):
     "|--debug-level=|<N>", "|bbox=|<left,bottom,right,top>".
     The below code shows an example.
 
-#!/usr/bin/python
+#!/usr/bin/env python3
 from pychart import *
 args = theme.get_options()
 ar = area.T(...)

Purr/purr.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 # loading file into karma:

setup.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os
 from distutils.core import setup
@@ -22,7 +22,7 @@
         scheme['data'] = scheme['purelib']
 
 setup(name='purr',
-      version='1.5.2',
+      version='1.5.3',
       description='Data reduction logging tool, Useful for remembering reductions',
       author='Oleg Smirnov',
       author_email='Oleg Smirnov <osmirnov@gmail.com>',