Run format-incremental

Author: mhucka

src/openfermion/chem/pubchem.py

@@ -45,7 +45,7 @@ def get_compounds_with_retries(name, record_type):
             except (pubchempy.PubChemHTTPError, urllib.error.URLError):
                 if attempt == max_retries - 1:
                     raise
-                delay = initial_delay * (2 ** attempt)
+                delay = initial_delay * (2**attempt)
                 time.sleep(delay)
 
     if structure in ['2d', '3d']:

src/openfermion/chem/pubchem_test.py

@@ -172,6 +172,23 @@ def read(self):
 
             return pubchempy.PubChemHTTPError(FakeHTTPError(503, 'Server Busy'))
 
+    def _get_mock_pubchem_error(self):
+        import pubchempy
+
+        try:
+            return pubchempy.PubChemHTTPError(503, 'Server Busy', ['busy'])
+        except TypeError:
+
+            class FakeHTTPError(Exception):
+                def __init__(self, code, msg):
+                    self.code = code
+                    self.reason = msg
+
+                def read(self):
+                    return b'{"Fault": {"Details": ["busy"]}}'
+
+            return pubchempy.PubChemHTTPError(FakeHTTPError(503, 'Server Busy'))
+
     @patch('time.sleep', return_value=None)
     @patch('pubchempy.get_compounds')
     def test_geometry_from_pubchem_retry_success(self, mock_get_compounds, mock_sleep):

src/openfermion/conftest.py

@@ -19,6 +19,7 @@
 def pytest_configure(config):
     # fail tests when using deprecated cirq functionality
     os.environ['CIRQ_TESTING'] = "true"
+    config.addinivalue_line("markers", "integration: tests integration with other systems")
 
 
 @pytest.fixture(autouse=True)