diff --git a/.editorconfig b/.editorconfig
index 19fa9dfa..be51087f 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -11,3 +11,6 @@ trim_trailing_whitespace = true
 indent_style = space
 indent_size = 2
 insert_final_newline = true
+
+[*.py]
+indent_size = 4
diff --git a/src/pypi.py b/src/pypi.py
index 4543d3db..4b606a7b 100644
--- a/src/pypi.py
+++ b/src/pypi.py
@@ -32,7 +32,7 @@ def fetch_releases(pypi_id, regex):
             for r in regex:
                 if re.match(r, version):
                     matches = True
-            if matches:
+            if matches and R:
                 d = datetime.fromisoformat(R[0]["upload_time"]).strftime("%Y-%m-%d")
                 releases[version] = d
                 print("%s: %s" % (version, d))