conda messes up python path

.travis.yml

@@ -3,19 +3,11 @@ python:
   - "2.7.15"
 # command to install dependencies
 
-before_install:
-  - sudo apt-get update
-  - export PYTHONPATH=$PYTHONPATH:$(pwd)
-
-
-install:
-  # install requirements of physcraper
-  - pip install --force-reinstall numpy==1.14.5
-  - pip install -r requirements.txt
-  - pip install configparser
-  - python setup.py install
 
+ before_install:
+  - sudo apt-get update
 
+ install:
   ### install blast+
   # this fails often with connection errors
   #- sudo apt-get install ncbi-blast+
@@ -55,10 +47,20 @@ install:
   #- export MPICC=mpiicc
 
 # command to run tests
-script:
+
   - wget 'https://ftp.ncbi.nlm.nih.gov/pub/taxonomy/taxdump.tar.gz'
   - gunzip  -cd taxdump.tar.gz | (tar xvf - names.dmp nodes.dmp)
   - mv *.dmp taxonomy/
+
+
+  - export PYTHONPATH=$PYTHONPATH:$(pwd)
+  # install requirements of physcraper
+  - pip install --force-reinstall numpy==1.14.5
+  - pip install -r requirements.txt
+  - pip install configparser
+  - python setup.py install
+
+script:  
   - echo 'no' | python tests/testfilesetup.py
   #- py.test tests/ --setup-only
   #- sh tests/run_tests.sh