Don't decimalize (non_)stroking_color, fixing #53

pdfplumber/page.py

@@ -94,6 +94,7 @@ class Page(Container):
 
         NON_DECIMALIZE = [
             "fontname", "name", "upright",
+            "stroking_color", "non_stroking_color",
         ]
 
         def process_object(obj):

tests/test-issues.py

@@ -91,3 +91,9 @@ class Test(unittest.TestCase):
         )
         assert len(pdf.metadata.keys())
         
+    def test_issue_53(self):
+        pdf = pdfplumber.from_path(
+            os.path.join(HERE, "pdfs/issue-53-example.pdf")
+        )
+        assert len(pdf.objects)
+