fixes for python 2

.travis.yml

@@ -40,6 +40,8 @@ install:
   - pip install tqdm
   - pip install psutil
   - pip install matplotlib
+  #Set the 'Agg' backend to prevent a TclError with python 2
+  - echo "backend: Agg" > ~/.config/matplotlib/matplotlibrc
   ##MEME installation
   - wget http://alternate.meme-suite.org/meme-software/5.1.1/meme-5.1.1.tar.gz
   - tar zxf meme-5.1.1.tar.gz

modisco.egg-info/PKG-INFO

@@ -6,5 +6,5 @@ Home-page: https://github.com/kundajelab/tfmodisco
 License: UNKNOWN
 Description: Algorithm for discovering consolidated patterns from base-pair-level importance scores
 Platform: UNKNOWN
-Provides-Extra: tensorflow
 Provides-Extra: tensorflow with gpu
+Provides-Extra: tensorflow

modisco.egg-info/requires.txt

@@ -5,7 +5,7 @@ h5py>=2.5
 leidenalg>=0.7.0
 tqdm>=4.38.0
 psutil>=5.4.8
-matplotlib>=3.1.1
+matplotlib>=2.2.5
 
 [tensorflow]
 tensorflow>=1.7

modisco/clusterinit/memeinit.py

@@ -66,7 +66,8 @@ def __call__(self, seqlets):
 
         outdir = self.base_outdir+"/metacluster"+str(self.call_count)
         self.call_count += 1
-        os.makedirs(outdir, exist_ok=True)
+        if (os.path.exists(outdir)==False):
+            os.makedirs(outdir)
 
         seqlet_fa_to_write = outdir+"/inp_seqlets.fa"
         seqlet_fa_fh = open(seqlet_fa_to_write, 'w') 

setup.py

@@ -17,7 +17,7 @@
                             'scikit-learn>=0.19',
                             'h5py>=2.5', 'leidenalg>=0.7.0',
                             'tqdm>=4.38.0', 'psutil>=5.4.8',
-                            'matplotlib>=3.1.1'],
+                            'matplotlib>=2.2.5'],
           extras_require={
             'tensorflow': ['tensorflow>=1.7'],
             'tensorflow with gpu': ['tensorflow-gpu>=1.7']},