Report file names the way Python does: '{}', not {!r}

2 files changed, 2 insertions, 2 deletions

diff --git a/coverage/execfile.py b/coverage/execfile.py
index 3096138f..5527d10a 100644
--- a/coverage/execfile.py
+++ b/coverage/execfile.py
@@ -213,7 +213,7 @@ class PyRunner(object):
         except CoverageException:
             raise
         except Exception as exc:
-            msg = "Couldn't run {filename!r} as Python code: {exc.__class__.__name__}: {exc}"
+            msg = "Couldn't run '{filename}' as Python code: {exc.__class__.__name__}: {exc}"
             raise CoverageException(msg.format(filename=self.arg0, exc=exc))
 
         # Execute the code object.
diff --git a/coverage/report.py b/coverage/report.py
index f58de8d2..d60a8c59 100644
--- a/coverage/report.py
+++ b/coverage/report.py
@@ -78,7 +78,7 @@ def get_analysis_to_report(coverage, morfs):
             # should_be_python() method.
             if fr.should_be_python():
                 if config.ignore_errors:
-                    msg = "Could not parse Python file {!r}".format(fr.filename)
+                    msg = "Could not parse Python file '{}'".format(fr.filename)
                     coverage._warn(msg, slug="couldnt-parse")
                 else:
                     raise