fix flake8 issues

Author: hyoo

examples/rnngen/infer.py

@@ -9,7 +9,7 @@
 
 from model.model import CharRNN
 from model.vocab import START_CHAR, END_CHAR
-from train import getconfig, get_vocab_from_file
+from train import get_vocab_from_file
 
 
 def count_valid_samples(smiles, rdkit=True):
@@ -79,7 +79,7 @@ def sample(model, i2c, c2i, device, temp=1, batch_size=10, max_len=150):
 
 
 def main(args, device):
-    config = getconfig(args)
+    # config = getconfig(args)
     print("loading data.")
     vocab, c2i, i2c, _, _ = get_vocab_from_file(args.i + "/vocab.txt")
 

examples/rnngen/model/vocab.py

@@ -90,7 +90,7 @@ def main(args):
     _, c2i, _, _, _ = get_vocab_from_file(args.o + '/vocab.txt')
 
     # seconnd step is to make data:
-    count_ = count
+    # count_ = count
     count = 0
 
     with open(args.i, 'r') as f:

examples/rnngen/train.py

@@ -1,14 +1,3 @@
-import argparse
-from model.vocab import get_vocab_from_file, START_CHAR, END_CHAR
-from model.model import CharRNN
-import torch.utils.data
-import numpy as np
-import torch
-import torch.nn as nn
-import torch.nn.utils.rnn
-import torch.nn.functional as F
-from tqdm import tqdm
-import os
 
 
 def getconfig(args):