Error when following install instructions

[m0nde]

I am noob. Do I need to take any action due to error below please?

Nigel M0NDE

-any.whl
Collecting cartopy>=0.16.0 (from -r requirements.txt (line 4))
Using cached https://files.pythonhosted.org/packages/f5/7a/4a16db7c81f11b3c5889c5b913d9a5724c704a6947c5a87ec59c4a8985ac/Cartopy-0.16.0.tar.gz
Complete output from command python setup.py egg_info:
Compiling /tmp/easy_install-j7u7pmxh/Cython-0.29/Cython/Plex/Scanners.py because it changed.
Compiling /tmp/easy_install-j7u7pmxh/Cython-0.29/Cython/Plex/Actions.py because it changed.
Compiling /tmp/easy_install-j7u7pmxh/Cython-0.29/Cython/Compiler/Scanning.py because it changed.
Compiling /tmp/easy_install-j7u7pmxh/Cython-0.29/Cython/Compiler/Visitor.py because it changed.
Compiling /tmp/easy_install-j7u7pmxh/Cython-0.29/Cython/Compiler/FlowControl.py because it changed.
Compiling /tmp/easy_install-j7u7pmxh/Cython-0.29/Cython/Runtime/refnanny.pyx because it changed.
Compiling /tmp/easy_install-j7u7pmxh/Cython-0.29/Cython/Compiler/FusedNode.py because it changed.
Compiling /tmp/easy_install-j7u7pmxh/Cython-0.29/Cython/Tempita/_tempita.py because it changed.
[1/8] Cythonizing /tmp/easy_install-j7u7pmxh/Cython-0.29/Cython/Compiler/FlowControl.py
[2/8] Cythonizing /tmp/easy_install-j7u7pmxh/Cython-0.29/Cython/Compiler/FusedNode.py
[3/8] Cythonizing /tmp/easy_install-j7u7pmxh/Cython-0.29/Cython/Compiler/Scanning.py
[4/8] Cythonizing /tmp/easy_install-j7u7pmxh/Cython-0.29/Cython/Compiler/Visitor.py
[5/8] Cythonizing /tmp/easy_install-j7u7pmxh/Cython-0.29/Cython/Plex/Actions.py
[6/8] Cythonizing /tmp/easy_install-j7u7pmxh/Cython-0.29/Cython/Plex/Scanners.py
[7/8] Cythonizing /tmp/easy_install-j7u7pmxh/Cython-0.29/Cython/Runtime/refnanny.pyx
[8/8] Cythonizing /tmp/easy_install-j7u7pmxh/Cython-0.29/Cython/Tempita/_tempita.py
Unable to find pgen, not compiling formal grammar.
warning: no files found matching 'Doc/'
warning: no files found matching '.pyx' under directory 'Cython/Debugger/Tests'
warning: no files found matching '.pxd' under directory 'Cython/Debugger/Tests'
warning: no files found matching '.pxd' under directory 'Cython/Utility'
warning: no files found matching 'pyximport/README'

Installed /tmp/pip-build-4_gcltem/cartopy/.eggs/Cython-0.29-py3.5-linux-armv7l.egg
/tmp/pip-build-4_gcltem/cartopy/setup.py:178: UserWarning: Unable to determine GEOS version. Ensure you have 3.3.3 or later installed, or installation may fail.
  '.'.join(str(v) for v in GEOS_MIN_VERSION), ))
Proj4 4.9.0 must be installed.

----------------------------------------

Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-4_gcltem/cartopy/
pi@raspberrypi:~/Downloads/pyqso-master $

[ctjacobs]

Hi Nigel, could you run sudo apt-get install proj-bin proj-data at the command line and re-try the Caropy installation afterwards?