diff --git a/.travis.yml b/.travis.yml
index 15b0ef8b1b..2ce7951f26 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,8 @@ python:
     - "3.5"
 
 install:
-    - pip install Pillow
+    - pip install ed25519 Pillow
+    - pip install --no-deps trezor
 
 script:
     - python coins-check.py
diff --git a/defs/coins/tools/coindef.py b/defs/coins/tools/coindef.py
index c2dc0ccb53..1c1beaba12 100644
--- a/defs/coins/tools/coindef.py
+++ b/defs/coins/tools/coindef.py
@@ -60,7 +60,7 @@ class CoinDef(p.MessageType):
         min_address_length: int = None,
         max_address_length: int = None,
         icon: bytes = None,
-        **kwargs,
+        **kwargs
     ):
         self.coin_name = coin_name
         self.coin_shortcut = coin_shortcut