Fix flake8 issues

Signed-off-by: Stefano Bennati <stefano.bennati@here.com>
sarugaku · Jan 12, 2023 · 0fa102a · 0fa102a
1 parent b66a6ff
commit 0fa102a
Showing 1 changed file with 6 additions and 5 deletions.
diff --git a/src/resolvelib/resolvers.py b/src/resolvelib/resolvers.py
@@ -283,10 +283,10 @@ def _backjump(self, causes):
 
         Each iteration of the loop will:
 
-        1.  Identify Z. The incompatibility is not necessarily caused by the latest state.
+        1.  Identify Z. The incompatibility is not always caused by the latest state.
             For example, given three requirements A, B and C, with dependencies
-            A1, B1 and C1, where A1 and B1 are incompatible:
-            the last state might be related to C, so we want to discard the previous state.
+            A1, B1 and C1, where A1 and B1 are incompatible: the last state
+            might be related to C, so we want to discard the previous state.
         2.  Discard Z.
         3.  Discard Y but remember its incompatibility information gathered
             previously, and the failure we're dealing with right now.
@@ -310,9 +310,10 @@ def _backjump(self, causes):
                 # Retrieve the last candidate pin and known incompatibilities.
                 try:
                     broken_state = self._states.pop()
-                except:
+                except IndexError:
                     raise Exception(
-                        "Exhausted all states during backjumping, impossible to find a fully-compatible dependency tree."
+                        "Exhausted all states during backjumping, "
+                        "impossible to find a fully-compatible dependency tree."
                     )
                 name, candidate = broken_state.mapping.popitem()
                 current_dependencies = {