Api update

merge request so that you can comment the code ;)

km3io/aanet.py

@@ -149,7 +149,7 @@ class AanetReader(AanetKeys):
         if data is not None:
             self._data = data
         else:
-            self._lazy_data = uproot.open(self._file_path)['E'].lazyarrays()
+            self._data = uproot.open(self._file_path)['E'].lazyarrays()
         self._events = None
         self._hits = None
         self._tracks = None
@@ -161,14 +161,14 @@ class AanetReader(AanetKeys):
 
     def __getitem__(self, item):
         return AanetReader(file_path=self._file_path,
-                           data=self._lazy_data[item])
+                           data=self._data[item])
 
     @property
     def events(self):
         if self._events is None:
             self._events = AanetEvents(
                 self.events_keys,
-                [self._lazy_data[key] for key in self.events_keys])
+                [self._data[key] for key in self.events_keys])
         return self._events
 
     @property
@@ -176,7 +176,7 @@ class AanetReader(AanetKeys):
         if self._hits is None:
             self._hits = AanetHits(
                 self.hits_keys,
-                [self._lazy_data[key] for key in self.hits_keys])
+                [self._data[key] for key in self.hits_keys])
         return self._hits
 
     @property
@@ -184,7 +184,7 @@ class AanetReader(AanetKeys):
         if self._tracks is None:
             self._tracks = AanetTracks(
                 self.tracks_keys,
-                [self._lazy_data[key] for key in self.tracks_keys])
+                [self._data[key] for key in self.tracks_keys])
         return self._tracks
 
     @property