Sort imports in rust importer

Signed-off-by: Shivam Sandbhor <shivam.sandbhor@gmail.com>

Author: sbs2001

vulnerabilities/importers/rust.py

@@ -30,9 +30,9 @@
 from urllib.error import HTTPError
 from urllib.request import urlopen
 
-import toml
 from dephell_specifier import RangeSpecifier
 from packageurl import PackageURL
+import toml
 
 from vulnerabilities.data_source import Advisory
 from vulnerabilities.data_source import GitDataSource