diff --git a/bloaty/bloaty_merger_test.py b/bloaty/bloaty_merger_test.py
index 9de049a..83680b9 100644
--- a/bloaty/bloaty_merger_test.py
+++ b/bloaty/bloaty_merger_test.py
@@ -14,6 +14,7 @@
 import gzip
 import unittest
 
+# pylint: disable=import-error
 from pyfakefs import fake_filesystem_unittest
 
 import bloaty_merger
@@ -21,46 +22,46 @@
 
 
 class BloatyMergerTestCase(fake_filesystem_unittest.TestCase):
-  def setUp(self):
-    self.setUpPyfakefs()
+    def setUp(self):
+        self.setUpPyfakefs()
 
-  def test_parse_csv(self):
-    csv_content = "sections,vmsize,filesize\nsection1,2,3\n"
-    self.fs.create_file("file1.bloaty.csv", contents=csv_content)
-    pb = bloaty_merger.parse_csv("file1.bloaty.csv")
-    self.assertEqual(pb.path, "file1")
-    self.assertEqual(len(pb.sections), 1)
-    s = pb.sections[0]
-    self.assertEqual(s.name, "section1")
-    self.assertEqual(s.vm_size, 2)
-    self.assertEqual(s.file_size, 3)
+    def test_parse_csv(self):
+        csv_content = "sections,vmsize,filesize\nsection1,2,3\n"
+        self.fs.create_file("file1.bloaty.csv", contents=csv_content)
+        pb = bloaty_merger.parse_csv("file1.bloaty.csv")
+        self.assertEqual(pb.path, "file1")
+        self.assertEqual(len(pb.sections), 1)
+        s = pb.sections[0]
+        self.assertEqual(s.name, "section1")
+        self.assertEqual(s.vm_size, 2)
+        self.assertEqual(s.file_size, 3)
 
-  def test_missing_file(self):
-    with self.assertRaises(FileNotFoundError):
-      bloaty_merger.parse_csv("missing.bloaty.csv")
+    def test_missing_file(self):
+        with self.assertRaises(FileNotFoundError):
+            bloaty_merger.parse_csv("missing.bloaty.csv")
 
-  def test_malformed_csv(self):
-    csv_content = "header1,heaVder2,header3\n4,5,6\n"
-    self.fs.create_file("file1.bloaty.csv", contents=csv_content)
-    with self.assertRaises(KeyError):
-      bloaty_merger.parse_csv("file1.bloaty.csv")
+    def test_malformed_csv(self):
+        csv_content = "header1,heaVder2,header3\n4,5,6\n"
+        self.fs.create_file("file1.bloaty.csv", contents=csv_content)
+        with self.assertRaises(KeyError):
+            bloaty_merger.parse_csv("file1.bloaty.csv")
 
-  def test_create_file_metrics(self):
-    file_list = "file1.bloaty.csv file2.bloaty.csv"
-    file1_content = "sections,vmsize,filesize\nsection1,2,3\nsection2,7,8"
-    file2_content = "sections,vmsize,filesize\nsection1,4,5\n"
+    def test_create_file_metrics(self):
+        file_list = "file1.bloaty.csv file2.bloaty.csv"
+        file1_content = "sections,vmsize,filesize\nsection1,2,3\nsection2,7,8"
+        file2_content = "sections,vmsize,filesize\nsection1,4,5\n"
 
-    self.fs.create_file("files.lst", contents=file_list)
-    self.fs.create_file("file1.bloaty.csv", contents=file1_content)
-    self.fs.create_file("file2.bloaty.csv", contents=file2_content)
+        self.fs.create_file("files.lst", contents=file_list)
+        self.fs.create_file("file1.bloaty.csv", contents=file1_content)
+        self.fs.create_file("file2.bloaty.csv", contents=file2_content)
 
-    bloaty_merger.create_file_size_metrics("files.lst", "output.pb.gz")
+        bloaty_merger.create_file_size_metrics("files.lst", "output.pb.gz")
 
-    metrics = file_sections_pb2.FileSizeMetrics()
-    with gzip.open("output.pb.gz", "rb") as output:
-      metrics.ParseFromString(output.read())
+        metrics = file_sections_pb2.FileSizeMetrics()
+        with gzip.open("output.pb.gz", "rb") as output:
+            metrics.ParseFromString(output.read())
 
 
 if __name__ == '__main__':
-  suite = unittest.TestLoader().loadTestsFromTestCase(BloatyMergerTestCase)
-  unittest.TextTestRunner(verbosity=2).run(suite)
+    suite = unittest.TestLoader().loadTestsFromTestCase(BloatyMergerTestCase)
+    unittest.TextTestRunner(verbosity=2).run(suite)