do not raise BaseException

contrib/build-osx/osx.spec

@@ -15,7 +15,7 @@ for i, x in enumerate(sys.argv):
         VERSION = sys.argv[i+1]
         break
 else:
-    raise BaseException('no version')
+    raise Exception('no version')
 
 electrum = os.path.abspath(".") + "/"
 block_cipher = None

contrib/build-wine/deterministic.spec

@@ -8,7 +8,7 @@ for i, x in enumerate(sys.argv):
         cmdline_name = sys.argv[i+1]
         break
 else:
-    raise BaseException('no name')
+    raise Exception('no name')
 
 PYTHON_VERSION = '3.5.4'
 PYHOME = 'c:/python' + PYTHON_VERSION

contrib/deterministic-build/find_restricted_dependencies.py

@@ -23,7 +23,7 @@ for p in sys.stdin.read().split():
     try:
         data = requests.get("https://pypi.org/pypi/{}/{}/json".format(p, v)).json()["info"]
     except ValueError:
-        raise BaseException("Package could not be found: {}=={}".format(p, v))
+        raise Exception("Package could not be found: {}=={}".format(p, v))
     try:
         for r in data["requires_dist"]:
             if ";" not in r:

contrib/make_download

@@ -41,7 +41,7 @@ for k, n in files.items():
         string = re.sub("<div id=\"%s\">(.*?)</div>"%k, '', string, flags=re.DOTALL + re.MULTILINE)
         continue
     if os.system("gpg --verify %s"%sigpath) != 0:
-        raise BaseException(sigpath)
+        raise Exception(sigpath)
     string = string.replace("##link_%s##"%k, link)