diff --git a/jrnl/DayOneJournal.py b/jrnl/DayOneJournal.py
index 34b4d5b3..1ce4e250 100644
--- a/jrnl/DayOneJournal.py
+++ b/jrnl/DayOneJournal.py
@@ -76,31 +76,37 @@ class DayOne(Journal.Journal):
 
                     """Extended DayOne attributes"""
                     try:
-                        entry.creator_device_agent = dict_entry['Creator']['Device Agent']
+                        entry.creator_device_agent = dict_entry["Creator"][
+                            "Device Agent"
+                        ]
                     except:
                         pass
                     try:
-                        entry.creator_generation_date = dict_entry['Creator']['Generation Date']
+                        entry.creator_generation_date = dict_entry["Creator"][
+                            "Generation Date"
+                        ]
                     except:
                         entry.creator_generation_date = date
                     try:
-                        entry.creator_host_name = dict_entry['Creator']['Host Name']
+                        entry.creator_host_name = dict_entry["Creator"]["Host Name"]
                     except:
                         pass
                     try:
-                        entry.creator_os_agent = dict_entry['Creator']['OS Agent']
+                        entry.creator_os_agent = dict_entry["Creator"]["OS Agent"]
                     except:
                         pass
                     try:
-                        entry.creator_software_agent = dict_entry['Creator']['Software Agent']
+                        entry.creator_software_agent = dict_entry["Creator"][
+                            "Software Agent"
+                        ]
                     except:
                         pass
                     try:
-                        entry.location = dict_entry['Location']
+                        entry.location = dict_entry["Location"]
                     except:
                         pass
                     try:
-                        entry.weather = dict_entry['Weather']
+                        entry.weather = dict_entry["Weather"]
                     except:
                         pass
                     self.entries.append(entry)
@@ -118,15 +124,19 @@ class DayOne(Journal.Journal):
                 if not hasattr(entry, "uuid"):
                     entry.uuid = uuid.uuid1().hex
                 if not hasattr(entry, "creator_device_agent"):
-                    entry.creator_device_agent = ''  # iPhone/iPhone5,3
+                    entry.creator_device_agent = ""  # iPhone/iPhone5,3
                 if not hasattr(entry, "creator_generation_date"):
                     entry.creator_generation_date = utc_time
                 if not hasattr(entry, "creator_host_name"):
                     entry.creator_host_name = socket.gethostname()
                 if not hasattr(entry, "creator_os_agent"):
-                    entry.creator_os_agent = '{}/{}'.format(platform.system(), platform.release())
+                    entry.creator_os_agent = "{}/{}".format(
+                        platform.system(), platform.release()
+                    )
                 if not hasattr(entry, "creator_software_agent"):
-                    entry.creator_software_agent = '{}/{}'.format(__title__, __version__)
+                    entry.creator_software_agent = "{}/{}".format(
+                        __title__, __version__
+                    )
 
                 fn = (
                     Path(self.config["journal"])
@@ -144,16 +154,18 @@ class DayOne(Journal.Journal):
                         tag.strip(self.config["tagsymbols"]).replace("_", " ")
                         for tag in entry.tags
                     ],
-                    'Creator': {'Device Agent': entry.creator_device_agent,
-                                'Generation Date': entry.creator_generation_date,
-                                'Host Name': entry.creator_host_name,
-                                'OS Agent': entry.creator_os_agent,
-                                'Software Agent': entry.creator_software_agent}
+                    "Creator": {
+                        "Device Agent": entry.creator_device_agent,
+                        "Generation Date": entry.creator_generation_date,
+                        "Host Name": entry.creator_host_name,
+                        "OS Agent": entry.creator_os_agent,
+                        "Software Agent": entry.creator_software_agent,
+                    },
                 }
-                if hasattr(entry, 'location'):
-                    entry_plist['Location'] = entry.location
-                if hasattr(entry, 'weather'):
-                    entry_plist['Weather'] = entry.weather
+                if hasattr(entry, "location"):
+                    entry_plist["Location"] = entry.location
+                if hasattr(entry, "weather"):
+                    entry_plist["Weather"] = entry.weather
 
                 # plistlib expects a binary object
                 with fn.open(mode="wb") as f:
@@ -200,7 +212,7 @@ class DayOne(Journal.Journal):
                     if line.endswith("*"):
                         current_entry.starred = True
                         line = line[:-1]
-                    current_entry.title = line[len(date_blob) - 1:].strip()
+                    current_entry.title = line[len(date_blob) - 1 :].strip()
                     current_entry.date = new_date
                 elif current_entry:
                     current_entry.body += line + "\n"
@@ -212,7 +224,9 @@ class DayOne(Journal.Journal):
         # Now, update our current entries if they changed
         for entry in entries:
             entry._parse_text()
-            matched_entries = [e for e in self.entries if e.uuid.lower() == entry.uuid.lower()]
+            matched_entries = [
+                e for e in self.entries if e.uuid.lower() == entry.uuid.lower()
+            ]
             # tags in entry body
             if matched_entries:
                 # This entry is an existing entry
@@ -232,9 +246,9 @@ class DayOne(Journal.Journal):
                     entry.creator_os_agent = match.creator_os_agent
                 if hasattr(match, "creator_software_agent"):
                     entry.creator_software_agent = match.creator_software_agent
-                if hasattr(match, 'location'):
+                if hasattr(match, "location"):
                     entry.location = match.location
-                if hasattr(match, 'weather'):
+                if hasattr(match, "weather"):
                     entry.weather = match.weather
 
                 if match != entry: