Fix PEP8 issues found by runtests.py

src/tito/builder/submodule_aware_builder.py

@@ -155,7 +155,7 @@ class SubmoduleAwareBuilder(Builder):
                 for archive in self._submodule_archives(
                         relative_git_dir, submodule_prefix, submodule_commit,
                         submodule_tar_file, submodule_dir
-                    ):
+                ):
                     yield archive
 
     def create_tgz(self, git_root, prefix, commit, relative_dir, dest_tgz):

src/tito/common.py

@@ -363,7 +363,7 @@ def run_command_print(command, print_on_success=False):
 
 
 def run_subprocess(p):
-    while(True):
+    while True:
         retcode = p.poll()
         line = p.stdout.readline()
         if len(line) > 0:

src/tito/tar.py

@@ -258,7 +258,7 @@ class TarFixer(object):
 
         # Delete the old checksum since it's now invalid and we don't want even
         # an inadvertent reference to it.
-        del(chunk_props['checksum'])
+        del chunk_props['checksum']
 
         # Remove the trailing NUL byte(s) on the end of members
         for k, v in chunk_props.items():