diff --git a/scrapers/__init__.py b/scrapers/__init__.py
index 391f349..8de8c42 100644
--- a/scrapers/__init__.py
+++ b/scrapers/__init__.py
@@ -42,6 +42,16 @@ _REGISTRY_FUNCTIONS = [
 
 __all__ = _BASE_EXPORTS + _SCRAPER_CLASSES + _REGISTRY_FUNCTIONS
 
+_exported_types = (
+    ScraperConfig,
+    ContestListResult,
+    ContestSummary,
+    MetadataResult,
+    ProblemSummary,
+    TestCase,
+    TestsResult,
+)
+
 
 def get_scraper(platform: str) -> type[BaseScraper]:
     if platform not in ALL_SCRAPERS:
diff --git a/tests/scrapers/test_codeforces.py b/tests/scrapers/test_codeforces.py
index 8c436a3..a7ff800 100644
--- a/tests/scrapers/test_codeforces.py
+++ b/tests/scrapers/test_codeforces.py
@@ -17,7 +17,7 @@ def test_scrape_success(mocker, mock_codeforces_html):
     scraper = CodeforcesScraper()
     result = scraper.scrape_problem_tests("1900", "A")
 
-    assert result.success == True
+    assert result.success
     assert len(result.tests) == 1
     assert result.tests[0].input == "1\n3\n1 2 3"
     assert result.tests[0].expected == "6"
@@ -39,7 +39,7 @@ def test_scrape_contest_problems(mocker):
     scraper = CodeforcesScraper()
     result = scraper.scrape_contest_metadata("1900")
 
-    assert result.success == True
+    assert result.success
     assert len(result.problems) == 2
     assert result.problems[0] == ProblemSummary(id="a", name="A. Problem A")
     assert result.problems[1] == ProblemSummary(id="b", name="B. Problem B")
@@ -56,7 +56,7 @@ def test_scrape_network_error(mocker):
     scraper = CodeforcesScraper()
     result = scraper.scrape_problem_tests("1900", "A")
 
-    assert result.success == False
+    assert not result.success
     assert "network error" in result.error.lower()
 
 
@@ -80,7 +80,7 @@ def test_scrape_contests_success(mocker):
     scraper = CodeforcesScraper()
     result = scraper.scrape_contest_list()
 
-    assert result.success == True
+    assert result.success
     assert len(result.contests) == 3
     assert result.contests[0] == ContestSummary(
         id="1951",
@@ -112,7 +112,7 @@ def test_scrape_contests_api_error(mocker):
     scraper = CodeforcesScraper()
     result = scraper.scrape_contest_list()
 
-    assert result.success == False
+    assert not result.success
     assert "no contests found" in result.error.lower()
 
 
@@ -127,5 +127,5 @@ def test_scrape_contests_network_error(mocker):
     scraper = CodeforcesScraper()
     result = scraper.scrape_contest_list()
 
-    assert result.success == False
+    assert not result.success
     assert "network error" in result.error.lower()
diff --git a/tests/scrapers/test_interface_compliance.py b/tests/scrapers/test_interface_compliance.py
index da931c1..753e0de 100644
--- a/tests/scrapers/test_interface_compliance.py
+++ b/tests/scrapers/test_interface_compliance.py
@@ -135,17 +135,17 @@ class TestScraperInterfaceCompliance:
 
         # Test metadata error format
         result = scraper.scrape_contest_metadata("test")
-        assert result.success == False
+        assert not result.success
         assert result.error.startswith(f"{platform_name}: ")
 
         # Test problem tests error format
         result = scraper.scrape_problem_tests("test", "A")
-        assert result.success == False
+        assert not result.success
         assert result.error.startswith(f"{platform_name}: ")
 
         # Test contest list error format
         result = scraper.scrape_contest_list()
-        assert result.success == False
+        assert not result.success
         assert result.error.startswith(f"{platform_name}: ")
 
     @pytest.mark.parametrize("scraper_class", ALL_SCRAPER_CLASSES)