dependency fix

MNIST_GAN/mnist.py

@@ -6,10 +6,42 @@ The images are 28x28 pixels (grayscale) showing a single handwritten digit from
 0 to 9. The dataset contains 60000 training and 10000 test images.
 """
 
-from dlipr.utils import get_datapath, Dataset
 import numpy as np
 import gzip
 
+def get_datapath(fname=''):
+    """Get data path.
+
+    Args:
+        fname (str, optional): data filename
+    """
+    cdir = os.path.dirname(__file__)
+    with open(os.path.join(cdir, '.env')) as handle:
+        ddir = json.load(handle)['DATA_PATH']
+        return os.path.join(ddir, fname)
+
+
+class Dataset():
+    """Simple dataset container
+    """
+
+    def __init__(self, **kwds):
+        """Summary
+
+        Args:
+            **kwds:
+        """
+        self.__dict__.update(kwds)
+
+    def plot_examples(self, num_examples=5, fname=None):
+        """Plot examples from the dataset
+
+        Args:
+            num_examples (int, optional): number of examples to
+            fname (str, optional): filename for saving the plot
+        """
+        plot_examples(self, num_examples, fname)
+
 
 def load_data():
     """Load the MNIST dataset.