Use absolute imports

src/borgmanager/__init__.py

@@ -0,0 +1 @@
+

src/borgmanager/summary/__init__.py

@@ -0,0 +1 @@
+from .summary import Summary

src/borgmanager/summary/summary.py

@@ -0,0 +1,16 @@
+from borgmanager.borg import Repo
+
+
+class Summary(object):
+    def __init__(self, db, args):
+        self.db = db
+
+        if args == "repo":
+            print(self.print_repos())
+
+    def print_repos(self):
+        repo_sql = self.db.get_repos()
+        repos = []
+        for line in repo_sql:
+            repos.append(Repo.from_sql(line))
+        pass