diff --git a/Python/getcwd.c b/Python/getcwd.c
index 36fcd5c..44dc9e6 100644
--- a/Python/getcwd.c
+++ b/Python/getcwd.c
@@ -26,24 +26,24 @@
 char *
 getcwd(char *buf, int size)
 {
-	char localbuf[MAXPATHLEN+1];
-	char *ret;
+    char localbuf[MAXPATHLEN+1];
+    char *ret;
 
-	if (size <= 0) {
-		errno = EINVAL;
-		return NULL;
-	}
-	ret = getwd(localbuf);
-	if (ret != NULL && strlen(localbuf) >= (size_t)size) {
-		errno = ERANGE;
-		return NULL;
-	}
-	if (ret == NULL) {
-		errno = EACCES; /* Most likely error */
-		return NULL;
-	}
-	strncpy(buf, localbuf, size);
-	return buf;
+    if (size <= 0) {
+        errno = EINVAL;
+        return NULL;
+    }
+    ret = getwd(localbuf);
+    if (ret != NULL && strlen(localbuf) >= (size_t)size) {
+        errno = ERANGE;
+        return NULL;
+    }
+    if (ret == NULL) {
+        errno = EACCES; /* Most likely error */
+        return NULL;
+    }
+    strncpy(buf, localbuf, size);
+    return buf;
 }
 
 #else /* !HAVE_GETWD */
@@ -57,26 +57,26 @@
 char *
 getcwd(char *buf, int size)
 {
-	FILE *fp;
-	char *p;
-	if (size <= 0) {
-		errno = EINVAL;
-		return NULL;
-	}
-	if ((fp = popen(PWD_CMD, "r")) == NULL)
-		return NULL;
-	if (fgets(buf, size, fp) == NULL || pclose(fp) != 0) {
-		errno = EACCES; /* Most likely error */
-		return NULL;
-	}
-	for (p = buf; *p != '\n'; p++) {
-		if (*p == '\0') {
-			errno = ERANGE;
-			return NULL;
-		}
-	}
-	*p = '\0';
-	return buf;
+    FILE *fp;
+    char *p;
+    if (size <= 0) {
+        errno = EINVAL;
+        return NULL;
+    }
+    if ((fp = popen(PWD_CMD, "r")) == NULL)
+        return NULL;
+    if (fgets(buf, size, fp) == NULL || pclose(fp) != 0) {
+        errno = EACCES; /* Most likely error */
+        return NULL;
+    }
+    for (p = buf; *p != '\n'; p++) {
+        if (*p == '\0') {
+            errno = ERANGE;
+            return NULL;
+        }
+    }
+    *p = '\0';
+    return buf;
 }
 
 #endif /* !HAVE_GETWD */