Fix pylint errors

Author: Sean Sullivan

elastic_datashader/elastic.py

@@ -572,6 +572,7 @@ def chunk_iter(iterable, chunk_size):
         yield (False, chunks[0:last_written_idx+1])
 
 def bucket_noop(bucket,search):
+    # pylint: disable=unused-argument
     return bucket
 class Scan:
     def __init__(self, searches, inner_aggs=None,field=None,precision=None, size=10, timeout=None,bucket_callback=bucket_noop):
@@ -591,7 +592,7 @@ def __init__(self, searches, inner_aggs=None,field=None,precision=None, size=10,
         self.bucket_callback = bucket_callback
         if self.bucket_callback is None:
             self.bucket_callback = bucket_noop
-    
+
     def execute(self):
         """
         Helper function used to iterate over all possible bucket combinations of

elastic_datashader/tilegen.py

@@ -1125,7 +1125,7 @@ def generate_tile(idx, x, y, z, headers, params, tile_width_px=256, tile_height_
                 timeout=config.query_timeout_seconds
             )
 
-            
+
             df = pd.DataFrame(
                 convert_composite(
                     resp.execute(),
@@ -1138,7 +1138,6 @@ def generate_tile(idx, x, y, z, headers, params, tile_width_px=256, tile_height_
             )
             estimated_points_per_tile = get_estimated_points_per_tile(span_range, global_bounds, z, global_doc_cnt)
         elif field_type == "geo_shape":
-            shape_s = copy.copy(tile_s)
             searches = []
             estimated_points_per_tile = 10000
             zoom = 0
@@ -1196,7 +1195,7 @@ def calc_aggregation(bucket,search):
                 )
             )
             if len(df)/resp.num_searches == composite_agg_size:
-                logger.warn("clipping on tile %s",[x,y,z])
+                logger.warning("clipping on tile %s",[x,y,z])
 
         s2 = time.time()
         logger.info("ES took %s (%s) for %s with %s searches", (s2 - s1), resp.total_took, len(df), resp.num_searches)